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57079712 = 256779337
BaseRepresentation
bin1101100110111…
…1011110100000
310222101221122102
43121233132200
5104103022322
65355225532
71262112104
oct331573640
9128357572
1057079712
112a246918
12171482a8
13ba969a1
14781b904
155027792
hex366f7a0

57079712 has 48 divisors (see below), whose sum is σ = 115839360. Its totient is φ = 27675648.

The previous prime is 57079663. The next prime is 57079717. The reversal of 57079712 is 21797075.

It is not an unprimeable number, because it can be changed into a prime (57079717) 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, 169208 + ... + 169544.

It is an arithmetic number, because the mean of its divisors is an integer number (2413320).

Almost surely, 257079712 is an apocalyptic number.

It is an amenable number.

57079712 is an abundant number, since it is smaller than the sum of its proper divisors (58759648).

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

57079712 is a wasteful number, since it uses less digits than its factorization.

57079712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 57079712 is about 7555.1116470903. Note that the first 3 decimals coincide. The cubic root of 57079712 is about 385.0294282335.

The spelling of 57079712 in words is "fifty-seven million, seventy-nine thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 67 79 134 158 268 316 337 536 632 674 1072 1264 1348 2144 2528 2696 5293 5392 10586 10784 21172 22579 26623 42344 45158 53246 84688 90316 106492 169376 180632 212984 361264 425968 722528 851936 1783741 3567482 7134964 14269928 28539856 57079712