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57664492 = 2217980537
BaseRepresentation
bin1101101111111…
…0001111101100
311000111122210221
43123332033230
5104230230432
65415541124
71300066024
oct333761754
9130448727
1057664492
112a606206
121738a7a4
13bc3cc02
147930a84
1550e0b97
hex36fe3ec

57664492 has 12 divisors (see below), whose sum is σ = 101477880. Its totient is φ = 28670816.

The previous prime is 57664483. The next prime is 57664507. The reversal of 57664492 is 29446675.

It is a happy 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, 39553 + ... + 40984.

It is an arithmetic number, because the mean of its divisors is an integer number (8456490).

Almost surely, 257664492 is an apocalyptic number.

It is an amenable number.

57664492 is a deficient number, since it is larger than the sum of its proper divisors (43813388).

57664492 is a wasteful number, since it uses less digits than its factorization.

57664492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80720 (or 80718 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 57664492 is about 7593.7139793384. The cubic root of 57664492 is about 386.3398351315.

The spelling of 57664492 in words is "fifty-seven million, six hundred sixty-four thousand, four hundred ninety-two".

Divisors: 1 2 4 179 358 716 80537 161074 322148 14416123 28832246 57664492