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57013960 = 2353145979
BaseRepresentation
bin1101100101111…
…1011011001000
310222021121110011
43121133123020
5104043421320
65354001304
71261416313
oct331373310
9128247404
1057013960
112a201483
1217116234
13ba72a93
14780197a
15501305a
hex365f6c8

57013960 has 32 divisors (see below), whose sum is σ = 132422400. Its totient is φ = 22069440.

The previous prime is 57013939. The next prime is 57013993. The reversal of 57013960 is 6931075.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 21750 + ... + 24229.

It is an arithmetic number, because the mean of its divisors is an integer number (4138200).

Almost surely, 257013960 is an apocalyptic number.

It is an amenable number.

57013960 is an abundant number, since it is smaller than the sum of its proper divisors (75408440).

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

57013960 is a wasteful number, since it uses less digits than its factorization.

57013960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46021 (or 46017 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 57013960 is about 7550.7589022561. The cubic root of 57013960 is about 384.8815287361.

The spelling of 57013960 in words is "fifty-seven million, thirteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 45979 91958 183916 229895 367832 459790 919580 1425349 1839160 2850698 5701396 7126745 11402792 14253490 28506980 57013960