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57315425 = 522399679
BaseRepresentation
bin1101101010100…
…1000001100001
310222211220222112
43122221001201
5104133043200
65404245105
71264113236
oct332510141
9128756875
1057315425
112a397a22
1217240795
13bb4a06b
14787d78d
155072535
hex36a9061

57315425 has 12 divisors (see below), whose sum is σ = 74161920. Its totient is φ = 43858320.

The previous prime is 57315421. The next prime is 57315443. The reversal of 57315425 is 52451375.

It is not a de Polignac number, because 57315425 - 22 = 57315421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57315391 and 57315400.

It is not an unprimeable number, because it can be changed into a prime (57315421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49265 + ... + 50414.

It is an arithmetic number, because the mean of its divisors is an integer number (6180160).

Almost surely, 257315425 is an apocalyptic number.

It is an amenable number.

57315425 is a deficient number, since it is larger than the sum of its proper divisors (16846495).

57315425 is a wasteful number, since it uses less digits than its factorization.

57315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99712 (or 99707 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 57315425 is about 7570.6951464182. The cubic root of 57315425 is about 385.5586985982.

The spelling of 57315425 in words is "fifty-seven million, three hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 23 25 115 575 99679 498395 2292617 2491975 11463085 57315425