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57640882 = 2132216957
BaseRepresentation
bin1101101111100…
…0011110110010
311000110110102111
43123320132302
5104224002012
65415235534
71266640135
oct333703662
9130413374
1057640882
112a59a4a2
1217378baa
13bc32240
14792621c
1550d8ba7
hex36f87b2

57640882 has 8 divisors (see below), whose sum is σ = 93112236. Its totient is φ = 26603472.

The previous prime is 57640871. The next prime is 57640901. The reversal of 57640882 is 28804675.

It can be written as a sum of positive squares in 2 ways, for example, as 57592921 + 47961 = 7589^2 + 219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1108453 + ... + 1108504.

Almost surely, 257640882 is an apocalyptic number.

57640882 is a deficient number, since it is larger than the sum of its proper divisors (35471354).

57640882 is a wasteful number, since it uses less digits than its factorization.

57640882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216972.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 57640882 is about 7592.1592449052. The cubic root of 57640882 is about 386.2871006071.

The spelling of 57640882 in words is "fifty-seven million, six hundred forty thousand, eight hundred eighty-two".

Divisors: 1 2 13 26 2216957 4433914 28820441 57640882