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57112438 = 2191307487
BaseRepresentation
bin1101100111011…
…1011101110110
310222110121112111
43121313131312
5104110044223
65400041234
71262306365
oct331673566
9128417474
1057112438
112a269469
121716321a
13baa8856
1478297dc
15503230d
hex3677776

57112438 has 16 divisors (see below), whose sum is σ = 86575104. Its totient is φ = 28256040.

The previous prime is 57112417. The next prime is 57112453. The reversal of 57112438 is 83421175.

It is a congruent number.

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, 117031 + ... + 117517.

It is an arithmetic number, because the mean of its divisors is an integer number (5410944).

Almost surely, 257112438 is an apocalyptic number.

57112438 is a deficient number, since it is larger than the sum of its proper divisors (29462666).

57112438 is a wasteful number, since it uses less digits than its factorization.

57112438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its digits is 6720, while the sum is 31.

The square root of 57112438 is about 7557.2771551664. The cubic root of 57112438 is about 385.1029982480.

The spelling of 57112438 in words is "fifty-seven million, one hundred twelve thousand, four hundred thirty-eight".

Divisors: 1 2 191 307 382 487 614 974 58637 93017 117274 149509 186034 299018 28556219 57112438