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57712994 = 21719412179
BaseRepresentation
bin1101110000101…
…0000101100010
311000121010100022
43130022011202
5104233303434
65420553442
71300360313
oct334120542
9130533308
1057712994
112a639699
12173b2882
13bc59001
14794460a
15510022e
hex370a162

57712994 has 32 divisors (see below), whose sum is σ = 98884800. Its totient is φ = 25090560.

The previous prime is 57712981. The next prime is 57713017. The reversal of 57712994 is 49921775.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25397 + ... + 27575.

It is an arithmetic number, because the mean of its divisors is an integer number (3090150).

Almost surely, 257712994 is an apocalyptic number.

57712994 is a deficient number, since it is larger than the sum of its proper divisors (41171806).

57712994 is a wasteful number, since it uses less digits than its factorization.

57712994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its digits is 158760, while the sum is 44.

The square root of 57712994 is about 7596.9068705625. The cubic root of 57712994 is about 386.4481224724.

The spelling of 57712994 in words is "fifty-seven million, seven hundred twelve thousand, nine hundred ninety-four".

Divisors: 1 2 17 19 34 38 41 82 323 646 697 779 1394 1558 2179 4358 13243 26486 37043 41401 74086 82802 89339 178678 703817 1407634 1518763 1697441 3037526 3394882 28856497 57712994