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557085965 = 5315960917
BaseRepresentation
bin100001001101000…
…111010100001101
31102211020220021112
4201031013110031
52120103222330
6131140141405
716543103222
oct4115072415
91384226245
10557085965
11266507a27
12136697865
138b551887
1453db5949
1533d92795
hex2134750d

557085965 has 16 divisors (see below), whose sum is σ = 701775360. Its totient is φ = 423975360.

The previous prime is 557085943. The next prime is 557085989. The reversal of 557085965 is 569580755.

It is not a de Polignac number, because 557085965 - 214 = 557069581 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 21314 + ... + 39603.

It is an arithmetic number, because the mean of its divisors is an integer number (43860960).

Almost surely, 2557085965 is an apocalyptic number.

It is an amenable number.

557085965 is a deficient number, since it is larger than the sum of its proper divisors (144689395).

557085965 is a wasteful number, since it uses less digits than its factorization.

557085965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61012.

The product of its (nonzero) digits is 1890000, while the sum is 50.

The square root of 557085965 is about 23602.6685991224. The cubic root of 557085965 is about 822.8248622029.

The spelling of 557085965 in words is "five hundred fifty-seven million, eighty-five thousand, nine hundred sixty-five".

Divisors: 1 5 31 59 155 295 1829 9145 60917 304585 1888427 3594103 9442135 17970515 111417193 557085965