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57468136 = 23115091283
BaseRepresentation
bin1101101100111…
…0010011101000
311000010200110111
43123032103220
5104202440021
65411424104
71265320405
oct333162350
9130120414
1057468136
112a491730
12172b5034
13bba171b
1478bd2ac
1550a28e1
hex36ce4e8

57468136 has 32 divisors (see below), whose sum is σ = 117871200. Its totient is φ = 26050240.

The previous prime is 57468119. The next prime is 57468157. The reversal of 57468136 is 63186475.

It is a happy 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, 44151 + ... + 45433.

It is an arithmetic number, because the mean of its divisors is an integer number (3683475).

Almost surely, 257468136 is an apocalyptic number.

It is an amenable number.

57468136 is an abundant number, since it is smaller than the sum of its proper divisors (60403064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57468136 is a wasteful number, since it uses less digits than its factorization.

57468136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1805 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 57468136 is about 7580.7741029528. The cubic root of 57468136 is about 385.9008219696.

The spelling of 57468136 in words is "fifty-seven million, four hundred sixty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 509 1018 1283 2036 2566 4072 5132 5599 10264 11198 14113 22396 28226 44792 56452 112904 653047 1306094 2612188 5224376 7183517 14367034 28734068 57468136