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530125065 = 32511780557
BaseRepresentation
bin11111100110010…
…001000100001001
31100221112010212200
4133212101010021
52041203000230
6124334230413
716064663061
oct3746210411
91327463780
10530125065
11252272898
12129655409
1385aa1c92
14505983a1
1531819160
hex1f991109

530125065 has 12 divisors (see below), whose sum is σ = 918883524. Its totient is φ = 282733344.

The previous prime is 530125033. The next prime is 530125081. The reversal of 530125065 is 560521035.

530125065 is a `hidden beast` number, since 530 + 125 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149523984 + 380601081 = 12228^2 + 19509^2 .

It is not a de Polignac number, because 530125065 - 25 = 530125033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5890234 + ... + 5890323.

It is an arithmetic number, because the mean of its divisors is an integer number (76573627).

Almost surely, 2530125065 is an apocalyptic number.

It is an amenable number.

530125065 is a deficient number, since it is larger than the sum of its proper divisors (388758459).

530125065 is a wasteful number, since it uses less digits than its factorization.

530125065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11780568 (or 11780565 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 530125065 is about 23024.4449444498. Note that the first 3 decimals coincide. The cubic root of 530125065 is about 809.3308831715.

The spelling of 530125065 in words is "five hundred thirty million, one hundred twenty-five thousand, sixty-five".

Divisors: 1 3 5 9 15 45 11780557 35341671 58902785 106025013 176708355 530125065