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57994536 = 23319891429
BaseRepresentation
bin1101110100111…
…0110100101000
311001010102112210
43131032310220
5104321311121
65431005120
71302642165
oct335166450
9131112483
1057994536
112a811176
12175097a0
13c0271c2
1479b906c
155158876
hex374ed28

57994536 has 64 divisors (see below), whose sum is σ = 154440000. Its totient is φ = 18095616.

The previous prime is 57994513. The next prime is 57994537. The reversal of 57994536 is 63549975.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57994537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39870 + ... + 41298.

It is an arithmetic number, because the mean of its divisors is an integer number (2413125).

Almost surely, 257994536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57994536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77220000).

57994536 is an abundant number, since it is smaller than the sum of its proper divisors (96445464).

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

57994536 is a wasteful number, since it uses less digits than its factorization.

57994536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1542 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

The square root of 57994536 is about 7615.4143682402. The cubic root of 57994536 is about 387.0755082385.

The spelling of 57994536 in words is "fifty-seven million, nine hundred ninety-four thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 89 114 152 178 228 267 356 456 534 712 1068 1429 1691 2136 2858 3382 4287 5073 5716 6764 8574 10146 11432 13528 17148 20292 27151 34296 40584 54302 81453 108604 127181 162906 217208 254362 325812 381543 508724 651624 763086 1017448 1526172 2416439 3052344 4832878 7249317 9665756 14498634 19331512 28997268 57994536