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57107112 = 23313811723
BaseRepresentation
bin1101100111011…
…0001010101000
310222110100020020
43121312022220
5104104411422
65400000440
71262255016
oct331661250
9128410206
1057107112
112a265467
1217160120
13baa62ba
1478278b6
15503095c
hex36762a8

57107112 has 32 divisors (see below), whose sum is σ = 142954080. Its totient is φ = 19010880.

The previous prime is 57107107. The next prime is 57107161. The reversal of 57107112 is 21170175.

It is a happy number.

57107112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×571071122 = 6522444481961088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32283 + ... + 34005.

It is an arithmetic number, because the mean of its divisors is an integer number (4467315).

Almost surely, 257107112 is an apocalyptic number.

It is an amenable number.

57107112 is an abundant number, since it is smaller than the sum of its proper divisors (85846968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57107112 is a wasteful number, since it uses less digits than its factorization.

57107112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 57107112 is about 7556.9247713604. The cubic root of 57107112 is about 385.0910269950.

Adding to 57107112 its reverse (21170175), we get a palindrome (78277287).

The spelling of 57107112 in words is "fifty-seven million, one hundred seven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 1381 1723 2762 3446 4143 5169 5524 6892 8286 10338 11048 13784 16572 20676 33144 41352 2379463 4758926 7138389 9517852 14276778 19035704 28553556 57107112