Is 402009120 a prime number?

402 009 120 is an even number, because it is evenly divisible by 2: 402 009 120 / 2 = 201 004 560.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 402 009 120 is about 20 050.165.

Thus, the square root of 402 009 120 is not an integer, and therefore 402 009 120 is not a square number.

The square of a number (here 402 009 120) is the result of the product of this number (402 009 120) by itself (i.e., 402 009 120 × 402 009 120); the square of 402 009 120 is sometimes called "raising 402 009 120 to the power 2", or "402 009 120 squared".

The square of 402 009 120 is 161 611 332 563 174 400 because 402 009 120 × 402 009 120 = 402 009 120² = 161 611 332 563 174 400.

As a consequence, 402 009 120 is the square root of 161 611 332 563 174 400.

402 009 120 is a number with 9 digits.

The multiples of 402 009 120 are all integers evenly divisible by 402 009 120, that is all numbers such that the remainder of the division by 402 009 120 is zero. There are infinitely many multiples of 402 009 120. The smallest multiples of 402 009 120 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 402 009 120 too, since 0 × 402 009 120 = 0
• 402 009 120: indeed, 402 009 120 is a multiple of itself, since 402 009 120 is evenly divisible by 402 009 120 (we have 402 009 120 / 402 009 120 = 1, so the remainder of this division is indeed zero)
• 804 018 240: indeed, 804 018 240 = 402 009 120 × 2
• 1 206 027 360: indeed, 1 206 027 360 = 402 009 120 × 3
• 1 608 036 480: indeed, 1 608 036 480 = 402 009 120 × 4
• 2 010 045 600: indeed, 2 010 045 600 = 402 009 120 × 5
• etc.

• Preceding numbers: …402 009 118, 402 009 119
• Following numbers: 402 009 121, 402 009 122…

Nearest numbers from 402 009 120

• Preceding prime number: 402 009 109
• Following prime number: 402 009 137

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• 402 009 120 est-il un nombre premier ?