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57161425 = 522286457
BaseRepresentation
bin1101101000001…
…1011011010001
310222120002201211
43122003123101
5104113131200
65401100121
71262602246
oct332033321
9128502654
1057161425
112a2a2252
1217187641
13bac4c39
14783d5cd
155041aba
hex36836d1

57161425 has 6 divisors (see below), whose sum is σ = 70880198. Its totient is φ = 45729120.

The previous prime is 57161393. The next prime is 57161437. The reversal of 57161425 is 52416175.

57161425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 595984 + 56565441 = 772^2 + 7521^2 .

It is not a de Polignac number, because 57161425 - 25 = 57161393 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 1143204 + ... + 1143253.

Almost surely, 257161425 is an apocalyptic number.

It is an amenable number.

57161425 is a deficient number, since it is larger than the sum of its proper divisors (13718773).

57161425 is a wasteful number, since it uses less digits than its factorization.

57161425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286467 (or 2286462 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 57161425 is about 7560.5175087424. The cubic root of 57161425 is about 385.2130714656.

The spelling of 57161425 in words is "fifty-seven million, one hundred sixty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 2286457 11432285 57161425