It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 472 is not a prime number.
For example, 490 472 can be divided by 2: 490 472 / 2 = 245 236.
For 490 472 to be a prime number, it would have been required that 490 472 has only two divisors, i.e., itself and 1.
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490 472 is an even number, because it is evenly divisible by 2: 490 472 / 2 = 245 236.
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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 490 472 is about 700.337.
Thus, the square root of 490 472 is not an integer, and therefore 490 472 is not a square number.
The square of a number (here 490 472) is the result of the product of this number (490 472) by itself (i.e., 490 472 × 490 472); the square of 490 472 is sometimes called "raising 490 472 to the power 2", or "490 472 squared".
The square of 490 472 is 240 562 782 784 because 490 472 × 490 472 = 490 4722 = 240 562 782 784.
As a consequence, 490 472 is the square root of 240 562 782 784.
The multiples of 490 472 are all integers evenly divisible by 490 472, that is all numbers such that the remainder of the division by 490 472 is zero. There are infinitely many multiples of 490 472. The smallest multiples of 490 472 are: