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57263725 = 5210721407
BaseRepresentation
bin1101101001110…
…0011001101101
310222202022001201
43122130121231
5104124414400
65403205501
71263506431
oct332343155
9128668051
1057263725
112a3620a2
1217216891
13bb2c67c
1478689c1
15506206a
hex369c66d

57263725 has 12 divisors (see below), whose sum is σ = 71673984. Its totient is φ = 45380720.

The previous prime is 57263699. The next prime is 57263741. The reversal of 57263725 is 52736275.

It is not a de Polignac number, because 57263725 - 27 = 57263597 is a prime.

It is a Duffinian number.

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, 8029 + ... + 13378.

It is an arithmetic number, because the mean of its divisors is an integer number (5972832).

Almost surely, 257263725 is an apocalyptic number.

It is an amenable number.

57263725 is a deficient number, since it is larger than the sum of its proper divisors (14410259).

57263725 is a wasteful number, since it uses less digits than its factorization.

57263725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21524 (or 21519 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 57263725 is about 7567.2798943874. The cubic root of 57263725 is about 385.4427357418.

The spelling of 57263725 in words is "fifty-seven million, two hundred sixty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 107 535 2675 21407 107035 535175 2290549 11452745 57263725