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57251652 = 2234770971
BaseRepresentation
bin1101101001100…
…1011101000100
310222201200111120
43122121131010
5104124023102
65403033540
71263426303
oct332313504
9128650446
1057251652
112a354017
121720b8b0
13bb27023
14786443a
15505d6bc
hex3699744

57251652 has 12 divisors (see below), whose sum is σ = 133587216. Its totient is φ = 19083880.

The previous prime is 57251651. The next prime is 57251683. The reversal of 57251652 is 25615275.

57251652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (57251651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2385474 + ... + 2385497.

It is an arithmetic number, because the mean of its divisors is an integer number (11132268).

Almost surely, 257251652 is an apocalyptic number.

It is an amenable number.

57251652 is an abundant number, since it is smaller than the sum of its proper divisors (76335564).

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

57251652 is a wasteful number, since it uses less digits than its factorization.

57251652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770978 (or 4770976 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 57251652 is about 7566.4821416561. The cubic root of 57251652 is about 385.4156460078.

The spelling of 57251652 in words is "fifty-seven million, two hundred fifty-one thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 4770971 9541942 14312913 19083884 28625826 57251652