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57008152 = 2319137309
BaseRepresentation
bin1101100101111…
…0000000011000
310222021022111001
43121132000120
5104043230102
65353514344
71261363345
oct331360030
9128238431
1057008152
112a1a8083
12171129b4
13ba70246
1477dd7cc
155011487
hex365e018

57008152 has 16 divisors (see below), whose sum is σ = 107452800. Its totient is φ = 28354080.

The previous prime is 57008129. The next prime is 57008173. The reversal of 57008152 is 25180075.

It is a self number, because there is not a number n which added to its sum of digits gives 57008152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17127 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (6715800).

Almost surely, 257008152 is an apocalyptic number.

It is an amenable number.

57008152 is a deficient number, since it is larger than the sum of its proper divisors (50444648).

57008152 is a wasteful number, since it uses less digits than its factorization.

57008152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37506 (or 37502 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 57008152 is about 7550.3742953578. The cubic root of 57008152 is about 384.8684590258.

The spelling of 57008152 in words is "fifty-seven million, eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 191 382 764 1528 37309 74618 149236 298472 7126019 14252038 28504076 57008152