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57118225 = 526193691
BaseRepresentation
bin1101100111100…
…0111000010001
310222110220110211
43121320320101
5104110240400
65400124121
71262332303
oct331707021
9128426424
1057118225
112a27284a
1217166641
13baab388
14782b973
155033dba
hex3678e11

57118225 has 12 divisors (see below), whose sum is σ = 70960240. Its totient is φ = 45608400.

The previous prime is 57118211. The next prime is 57118241. The reversal of 57118225 is 52281175.

57118225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57118225 - 27 = 57118097 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 13630 + ... + 17320.

Almost surely, 257118225 is an apocalyptic number.

It is an amenable number.

57118225 is a deficient number, since it is larger than the sum of its proper divisors (13842015).

57118225 is a wasteful number, since it uses less digits than its factorization.

57118225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4315 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 57118225 is about 7557.6600214617. The cubic root of 57118225 is about 385.1160048473.

The spelling of 57118225 in words is "fifty-seven million, one hundred eighteen thousand, two hundred twenty-five".

Divisors: 1 5 25 619 3095 3691 15475 18455 92275 2284729 11423645 57118225