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57664525 = 5219731663
BaseRepresentation
bin1101101111111…
…0010000001101
311000111122212011
43123332100031
5104230231100
65415541221
71300066102
oct333762015
9130448764
1057664525
112a606236
121738a811
13bc3cc29
147930aa9
1550e0bba
hex36fe40d

57664525 has 24 divisors (see below), whose sum is σ = 76344320. Its totient is φ = 43079040.

The previous prime is 57664517. The next prime is 57664531. The reversal of 57664525 is 52546675.

It is not a de Polignac number, because 57664525 - 23 = 57664517 is a prime.

It is a congruent number.

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, 33844 + ... + 35506.

Almost surely, 257664525 is an apocalyptic number.

It is an amenable number.

57664525 is a deficient number, since it is larger than the sum of its proper divisors (18679795).

57664525 is a wasteful number, since it uses less digits than its factorization.

57664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1760 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 57664525 is about 7593.7161521879. The cubic root of 57664525 is about 386.3399088291.

The spelling of 57664525 in words is "fifty-seven million, six hundred sixty-four thousand, five hundred twenty-five".

Divisors: 1 5 19 25 73 95 365 475 1387 1663 1825 6935 8315 31597 34675 41575 121399 157985 606995 789925 2306581 3034975 11532905 57664525