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57113645 = 5181223283
BaseRepresentation
bin1101100111011…
…1110000101101
310222110200012012
43121313300231
5104110114040
65400051005
71262313041
oct331676055
9128420165
1057113645
112a26a366
1217163a65
13baa9274
14782a021
155032865
hex3677c2d

57113645 has 16 divisors (see below), whose sum is σ = 69468672. Its totient is φ = 45074880.

The previous prime is 57113627. The next prime is 57113653. The reversal of 57113645 is 54631175.

It is not a de Polignac number, because 57113645 - 216 = 57048109 is a prime.

It is a super-3 number, since 3×571136453 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201674 + ... + 201956.

It is an arithmetic number, because the mean of its divisors is an integer number (4341792).

Almost surely, 257113645 is an apocalyptic number.

It is an amenable number.

57113645 is a deficient number, since it is larger than the sum of its proper divisors (12355027).

57113645 is a wasteful number, since it uses less digits than its factorization.

57113645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692.

The product of its digits is 12600, while the sum is 32.

The square root of 57113645 is about 7557.3570115484. The cubic root of 57113645 is about 385.1057111191.

The spelling of 57113645 in words is "fifty-seven million, one hundred thirteen thousand, six hundred forty-five".

Divisors: 1 5 181 223 283 905 1115 1415 40363 51223 63109 201815 256115 315545 11422729 57113645