It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 692 is not a prime number.
For example, 490 692 can be divided by 2: 490 692 / 2 = 245 346.
For 490 692 to be a prime number, it would have been required that 490 692 has only two divisors, i.e., itself and 1.
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490 692 is an even number, because it is evenly divisible by 2: 490 692 / 2 = 245 346.
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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 490 692 is about 700.494.
Thus, the square root of 490 692 is not an integer, and therefore 490 692 is not a square number.
The square of a number (here 490 692) is the result of the product of this number (490 692) by itself (i.e., 490 692 × 490 692); the square of 490 692 is sometimes called "raising 490 692 to the power 2", or "490 692 squared".
The square of 490 692 is 240 778 638 864 because 490 692 × 490 692 = 490 6922 = 240 778 638 864.
As a consequence, 490 692 is the square root of 240 778 638 864.
The multiples of 490 692 are all integers evenly divisible by 490 692, that is all numbers such that the remainder of the division by 490 692 is zero. There are infinitely many multiples of 490 692. The smallest multiples of 490 692 are: