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57164065 = 5719671283
BaseRepresentation
bin1101101000010…
…0000100100001
310222120020100121
43122010010201
5104113222230
65401120241
71262613040
oct332040441
9128506317
1057164065
112a2a4232
1217189081
13bac61ba
147840557
15504277a
hex3684121

57164065 has 32 divisors (see below), whose sum is σ = 83819520. Its totient is φ = 36552384.

The previous prime is 57164059. The next prime is 57164083. The reversal of 57164065 is 56046175.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57164065 - 23 = 57164057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57164065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43914 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (2619360).

Almost surely, 257164065 is an apocalyptic number.

It is an amenable number.

57164065 is a deficient number, since it is larger than the sum of its proper divisors (26655455).

57164065 is a wasteful number, since it uses less digits than its factorization.

57164065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57164065 is about 7560.6920979498. The cubic root of 57164065 is about 385.2190017286.

The spelling of 57164065 in words is "fifty-seven million, one hundred sixty-four thousand, sixty-five".

Divisors: 1 5 7 19 35 67 95 133 335 469 665 1273 1283 2345 6365 6415 8911 8981 24377 44555 44905 85961 121885 170639 429805 601727 853195 1633259 3008635 8166295 11432813 57164065