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57325568 = 211231217
BaseRepresentation
bin1101101010101…
…1100000000000
310222212102220012
43122223200000
5104133404233
65404404052
71264154636
oct332534000
9128772805
1057325568
112a3a4603
1217246628
13bb51871
147883356
155075548
hex36ab800

57325568 has 48 divisors (see below), whose sum is σ = 119705040. Its totient is φ = 27394048.

The previous prime is 57325549. The next prime is 57325573. The reversal of 57325568 is 86552375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46496 + ... + 47712.

It is an arithmetic number, because the mean of its divisors is an integer number (2493855).

Almost surely, 257325568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57325568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59852520).

57325568 is an abundant number, since it is smaller than the sum of its proper divisors (62379472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57325568 is a wasteful number, since it uses less digits than its factorization.

57325568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1242 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 57325568 is about 7571.3650024286. The cubic root of 57325568 is about 385.5814411159.

The spelling of 57325568 in words is "fifty-seven million, three hundred twenty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 368 512 736 1024 1217 1472 2048 2434 2944 4868 5888 9736 11776 19472 23552 27991 38944 47104 55982 77888 111964 155776 223928 311552 447856 623104 895712 1246208 1791424 2492416 3582848 7165696 14331392 28662784 57325568