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57105994 = 2119472741
BaseRepresentation
bin1101100111010…
…1111001001010
310222110021200211
43121311321022
5104104342434
65355551334
71262251531
oct331657112
9128407624
1057105994
112a264640
121715b54a
13baa593a
147827318
155030464
hex3675e4a

57105994 has 16 divisors (see below), whose sum is σ = 93578976. Its totient is φ = 25920400.

The previous prime is 57105977. The next prime is 57106031. The reversal of 57105994 is 49950175.

It is a super-2 number, since 2×571059942 = 6522189101456072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19464 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (5848686).

Almost surely, 257105994 is an apocalyptic number.

57105994 is a deficient number, since it is larger than the sum of its proper divisors (36472982).

57105994 is a wasteful number, since it uses less digits than its factorization.

57105994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 57105994 is about 7556.8507991094. The cubic root of 57105994 is about 385.0885139713.

The spelling of 57105994 in words is "fifty-seven million, one hundred five thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 947 1894 2741 5482 10417 20834 30151 60302 2595727 5191454 28552997 57105994