It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 027 is not a prime number.
For example, 489 027 can be divided by 3: 489 027 / 3 = 163 009.
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For 489 027 to be a prime number, it would have been required that 489 027 has only two divisors, i.e., itself and 1.
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489 027 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 489 027 is about 699.305.
Thus, the square root of 489 027 is not an integer, and therefore 489 027 is not a square number.
The square of a number (here 489 027) is the result of the product of this number (489 027) by itself (i.e., 489 027 × 489 027); the square of 489 027 is sometimes called "raising 489 027 to the power 2", or "489 027 squared".
The square of 489 027 is 239 147 406 729 because 489 027 × 489 027 = 489 0272 = 239 147 406 729.
As a consequence, 489 027 is the square root of 239 147 406 729.
The multiples of 489 027 are all integers evenly divisible by 489 027, that is all numbers such that the remainder of the division by 489 027 is zero. There are infinitely many multiples of 489 027. The smallest multiples of 489 027 are: