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57642934 = 2269307349
BaseRepresentation
bin1101101111100…
…0111110110110
311000110120020111
43123320332312
5104224033214
65415253234
71266646126
oct333707666
9130416214
1057642934
112a5a0a98
121737a21a
13bc3315b
147926c86
1550d95c4
hex36f8fb6

57642934 has 16 divisors (see below), whose sum is σ = 87318000. Its totient is φ = 28538784.

The previous prime is 57642931. The next prime is 57642947. The reversal of 57642934 is 43924675.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57642931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164992 + ... + 165340.

It is an arithmetic number, because the mean of its divisors is an integer number (5457375).

Almost surely, 257642934 is an apocalyptic number.

57642934 is a deficient number, since it is larger than the sum of its proper divisors (29675066).

57642934 is a wasteful number, since it uses less digits than its factorization.

57642934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its digits is 181440, while the sum is 40.

The square root of 57642934 is about 7592.2943831229. The cubic root of 57642934 is about 386.2916844585.

The spelling of 57642934 in words is "fifty-seven million, six hundred forty-two thousand, nine hundred thirty-four".

Divisors: 1 2 269 307 349 538 614 698 82583 93881 107143 165166 187762 214286 28821467 57642934