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57137234 = 2721153003
BaseRepresentation
bin1101100111110…
…1100001010010
310222111212112212
43121331201102
5104111342414
65400352122
71262441600
oct331754122
9128455485
1057137234
112a286060
1217175642
13bab6c1b
147834870
15503983e
hex367d852

57137234 has 24 divisors (see below), whose sum is σ = 108764208. Its totient is φ = 22260840.

The previous prime is 57137219. The next prime is 57137257. The reversal of 57137234 is 43273175.

57137234 = 172 + 182 + ... + 5552.

It is a super-4 number, since 4×571372344 (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57137234.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25424 + ... + 27579.

It is an arithmetic number, because the mean of its divisors is an integer number (4531842).

Almost surely, 257137234 is an apocalyptic number.

57137234 is a deficient number, since it is larger than the sum of its proper divisors (51626974).

57137234 is a wasteful number, since it uses less digits than its factorization.

57137234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53030 (or 53023 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 57137234 is about 7558.9175150943. The cubic root of 57137234 is about 385.1587224339.

The spelling of 57137234 in words is "fifty-seven million, one hundred thirty-seven thousand, two hundred thirty-four".

Divisors: 1 2 7 11 14 22 49 77 98 154 539 1078 53003 106006 371021 583033 742042 1166066 2597147 4081231 5194294 8162462 28568617 57137234