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57299825 = 52111012063
BaseRepresentation
bin1101101010010…
…1001101110001
310222211010120202
43122211031301
5104132043300
65404044545
71264016612
oct332451561
9128733522
1057299825
112a387230
1217233755
13bb42c2b
147877c09
15506cad5
hex36a5371

57299825 has 24 divisors (see below), whose sum is σ = 78316416. Its totient is φ = 41240000.

The previous prime is 57299789. The next prime is 57299833. The reversal of 57299825 is 52899275.

It is not a de Polignac number, because 57299825 - 26 = 57299761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57299825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26744 + ... + 28806.

It is an arithmetic number, because the mean of its divisors is an integer number (3263184).

Almost surely, 257299825 is an apocalyptic number.

57299825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57299825 is a deficient number, since it is larger than the sum of its proper divisors (21016591).

57299825 is a wasteful number, since it uses less digits than its factorization.

57299825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2180 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 57299825 is about 7569.6647878225. The cubic root of 57299825 is about 385.5237152205.

The spelling of 57299825 in words is "fifty-seven million, two hundred ninety-nine thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 101 275 505 1111 2063 2525 5555 10315 22693 27775 51575 113465 208363 567325 1041815 2291993 5209075 11459965 57299825