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557728075 = 5271314213
BaseRepresentation
bin100001001111100…
…100000101001011
31102212110112002101
4201033210011023
52120234244300
6131202014231
716551416242
oct4117440513
91385415071
10557728075
112669063a3
12136947377
138b717c18
1454101959
1533e6cb6a
hex213e414b

557728075 has 12 divisors (see below), whose sum is σ = 701325648. Its totient is φ = 439896800.

The previous prime is 557728069. The next prime is 557728091. The reversal of 557728075 is 570827755.

It is not a de Polignac number, because 557728075 - 29 = 557727563 is a prime.

It is a super-2 number, since 2×5577280752 = 622121211286411250, which contains 22 as substring.

It is a Duffinian number.

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, 155332 + ... + 158881.

It is an arithmetic number, because the mean of its divisors is an integer number (58443804).

Almost surely, 2557728075 is an apocalyptic number.

557728075 is a deficient number, since it is larger than the sum of its proper divisors (143597573).

557728075 is a wasteful number, since it uses less digits than its factorization.

557728075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314294 (or 314289 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 46.

The square root of 557728075 is about 23616.2671690511. The cubic root of 557728075 is about 823.1408763919.

The spelling of 557728075 in words is "five hundred fifty-seven million, seven hundred twenty-eight thousand, seventy-five".

Divisors: 1 5 25 71 355 1775 314213 1571065 7855325 22309123 111545615 557728075