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57747068 = 22113251509
BaseRepresentation
bin1101110001001…
…0011001111100
311000122212002022
43130102121330
5104240401233
65421415312
71300561541
oct334223174
9130585068
1057747068
112a662255
121740a538
13bc6b682
147952bc8
15510a398
hex371267c

57747068 has 24 divisors (see below), whose sum is σ = 102558960. Its totient is φ = 28448000.

The previous prime is 57747031. The next prime is 57747071. The reversal of 57747068 is 86074775.

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, 113198 + ... + 113706.

It is an arithmetic number, because the mean of its divisors is an integer number (4273290).

Almost surely, 257747068 is an apocalyptic number.

It is an amenable number.

57747068 is a deficient number, since it is larger than the sum of its proper divisors (44811892).

57747068 is a wasteful number, since it uses less digits than its factorization.

57747068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 57747068 is about 7599.1491628998. The cubic root of 57747068 is about 386.5241610547.

The spelling of 57747068 in words is "fifty-seven million, seven hundred forty-seven thousand, sixty-eight".

Divisors: 1 2 4 113 226 251 452 502 509 1004 1018 2036 28363 56726 57517 113452 115034 127759 230068 255518 511036 14436767 28873534 57747068