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13792857 = 313834261
BaseRepresentation
bin110100100111…
…011001011001
3221221202020120
4310213121121
512012332412
61211343453
7225144261
oct64473131
927852216
1013792857
117870861
124751b89
132b1c070
141b907a1
151326b8c
hexd27659

13792857 has 16 divisors (see below), whose sum is σ = 20048448. Its totient is φ = 8383680.

The previous prime is 13792853. The next prime is 13792873. The reversal of 13792857 is 75829731.

It is not a de Polignac number, because 13792857 - 22 = 13792853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13792853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (1253028).

Almost surely, 213792857 is an apocalyptic number.

It is an amenable number.

13792857 is a deficient number, since it is larger than the sum of its proper divisors (6255591).

13792857 is a wasteful number, since it uses less digits than its factorization.

13792857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its digits is 105840, while the sum is 42.

The square root of 13792857 is about 3713.8735842783. The cubic root of 13792857 is about 239.8196387972.

The spelling of 13792857 in words is "thirteen million, seven hundred ninety-two thousand, eight hundred fifty-seven".

Divisors: 1 3 13 39 83 249 1079 3237 4261 12783 55393 166179 353663 1060989 4597619 13792857