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57825225 = 335285667
BaseRepresentation
bin1101110010010…
…1011111001001
311000210211022000
43130211133021
5104300401400
65423221213
71301335443
oct334453711
9130724260
1057825225
112a705a47
1217447809
13bc98113
147973493
155123600
hex37257c9

57825225 has 24 divisors (see below), whose sum is σ = 106228320. Its totient is φ = 30839760.

The previous prime is 57825223. The next prime is 57825281. The reversal of 57825225 is 52252875.

57825225 is a `hidden beast` number, since 57 + 82 + 522 + 5 = 666.

It is not a de Polignac number, because 57825225 - 21 = 57825223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57825225.

It is not an unprimeable number, because it can be changed into a prime (57825223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42159 + ... + 43508.

It is an arithmetic number, because the mean of its divisors is an integer number (4426180).

Almost surely, 257825225 is an apocalyptic number.

It is an amenable number.

57825225 is a deficient number, since it is larger than the sum of its proper divisors (48403095).

57825225 is a wasteful number, since it uses less digits than its factorization.

57825225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85686 (or 85675 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 57825225 is about 7604.2899076771. The cubic root of 57825225 is about 386.6984611027.

The spelling of 57825225 in words is "fifty-seven million, eight hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 85667 257001 428335 771003 1285005 2141675 2313009 3855015 6425025 11565045 19275075 57825225