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57286325 = 527193187
BaseRepresentation
bin1101101010000…
…1111010110101
310222210110001202
43122201322311
5104131130300
65403502245
71263632345
oct332417265
9128713052
1057286325
112a378078
1217227985
13bb39a45
147872d25
155068ad5
hex36a1eb5

57286325 has 12 divisors (see below), whose sum is σ = 71156160. Its totient is φ = 45750960.

The previous prime is 57286309. The next prime is 57286331. The reversal of 57286325 is 52368275.

It is not a de Polignac number, because 57286325 - 24 = 57286309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16382 + ... + 19568.

It is an arithmetic number, because the mean of its divisors is an integer number (5929680).

Almost surely, 257286325 is an apocalyptic number.

It is an amenable number.

57286325 is a deficient number, since it is larger than the sum of its proper divisors (13869835).

57286325 is a wasteful number, since it uses less digits than its factorization.

57286325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3911 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 57286325 is about 7568.7730181318. The cubic root of 57286325 is about 385.4934360184.

The spelling of 57286325 in words is "fifty-seven million, two hundred eighty-six thousand, three hundred twenty-five".

Divisors: 1 5 25 719 3187 3595 15935 17975 79675 2291453 11457265 57286325