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57370525 = 5210122721
BaseRepresentation
bin1101101011011…
…0011110011101
310222221201120021
43122312132131
5104141324100
65405352141
71264433002
oct332663635
9128851507
1057370525
112a425363
1217268651
13bb69174
1478958a9
155083a1a
hex36b679d

57370525 has 12 divisors (see below), whose sum is σ = 71846964. Its totient is φ = 45440000.

The previous prime is 57370517. The next prime is 57370549. The reversal of 57370525 is 52507375.

It can be written as a sum of positive squares in 6 ways, for example, as 549081 + 56821444 = 741^2 + 7538^2 .

It is not a de Polignac number, because 57370525 - 23 = 57370517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8836 + ... + 13885.

It is an arithmetic number, because the mean of its divisors is an integer number (5987247).

Almost surely, 257370525 is an apocalyptic number.

It is an amenable number.

57370525 is a deficient number, since it is larger than the sum of its proper divisors (14476439).

57370525 is a wasteful number, since it uses less digits than its factorization.

57370525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22832 (or 22827 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 57370525 is about 7574.3333039945. Note that the first 4 decimals coincide. The cubic root of 57370525 is about 385.6822109000.

The spelling of 57370525 in words is "fifty-seven million, three hundred seventy thousand, five hundred twenty-five".

Divisors: 1 5 25 101 505 2525 22721 113605 568025 2294821 11474105 57370525