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57747668 = 22113142337
BaseRepresentation
bin1101110001001…
…0100011010100
311000122212220112
43130102203110
5104240411133
65421422152
71300563356
oct334224324
9130585815
1057747668
112a662750
121740a958
13bc6ba24
1479530d6
15510a648
hex37128d4

57747668 has 24 divisors (see below), whose sum is σ = 113804544. Its totient is φ = 25401600.

The previous prime is 57747653. The next prime is 57747709. The reversal of 57747668 is 86674775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19805 + ... + 22532.

It is an arithmetic number, because the mean of its divisors is an integer number (4741856).

Almost surely, 257747668 is an apocalyptic number.

It is an amenable number.

57747668 is a deficient number, since it is larger than the sum of its proper divisors (56056876).

57747668 is a wasteful number, since it uses less digits than its factorization.

57747668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42383 (or 42381 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 57747668 is about 7599.1886409011. The cubic root of 57747668 is about 386.5254997298.

The spelling of 57747668 in words is "fifty-seven million, seven hundred forty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 42337 84674 169348 465707 931414 1312447 1862828 2624894 5249788 14436917 28873834 57747668