It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 239 401 is not a prime number.
For example, 490 239 401 can be divided by 953: 490 239 401 / 953 = 514 417.
For 490 239 401 to be a prime number, it would have been required that 490 239 401 has only two divisors, i.e., itself and 1.
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490 239 401 is an odd number, because it is not evenly divisible by 2.
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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 490 239 401 is about 22 141.350.
Thus, the square root of 490 239 401 is not an integer, and therefore 490 239 401 is not a square number.
The square of a number (here 490 239 401) is the result of the product of this number (490 239 401) by itself (i.e., 490 239 401 × 490 239 401); the square of 490 239 401 is sometimes called "raising 490 239 401 to the power 2", or "490 239 401 squared".
The square of 490 239 401 is 240 334 670 292 838 816 because 490 239 401 × 490 239 401 = 490 239 4012 = 240 334 670 292 838 816.
As a consequence, 490 239 401 is the square root of 240 334 670 292 838 816.
490 239 401 is a number with 9 digits.
The multiples of 490 239 401 are all integers evenly divisible by 490 239 401, that is all numbers such that the remainder of the division by 490 239 401 is zero. There are infinitely many multiples of 490 239 401. The smallest multiples of 490 239 401 are: