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557750979 = 32431441217
BaseRepresentation
bin100001001111101…
…001101011000011
31102212111200111200
4201033221223003
52120241012404
6131202312243
716551543102
oct4117515303
91385450450
10557750979
11266921625
12136958683
138b725486
145410a039
1533e74839
hex213e9ac3

557750979 has 12 divisors (see below), whose sum is σ = 824376696. Its totient is φ = 363186432.

The previous prime is 557750969. The next prime is 557751017. The reversal of 557750979 is 979057755.

557750979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557750979 - 28 = 557750723 is a prime.

It is a super-2 number, since 2×5577509792 = 622172309150916882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557750969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720222 + ... + 720995.

It is an arithmetic number, because the mean of its divisors is an integer number (68698058).

Almost surely, 2557750979 is an apocalyptic number.

557750979 is a deficient number, since it is larger than the sum of its proper divisors (266625717).

557750979 is a wasteful number, since it uses less digits than its factorization.

557750979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441266 (or 1441263 counting only the distinct ones).

The product of its (nonzero) digits is 3472875, while the sum is 54.

The square root of 557750979 is about 23616.7520840610. The cubic root of 557750979 is about 823.1521441055.

The spelling of 557750979 in words is "five hundred fifty-seven million, seven hundred fifty thousand, nine hundred seventy-nine".

Divisors: 1 3 9 43 129 387 1441217 4323651 12970953 61972331 185916993 557750979