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13683679 = 29312491
BaseRepresentation
bin110100001100…
…101111011111
3221202012110221
4310030233133
512000334204
61205142211
7224211052
oct64145737
927665427
1013683679
1177a6829
1246ba967
132ab1469
141b62a99
151304654
hexd0cbdf

13683679 has 12 divisors (see below), whose sum is σ = 14656680. Its totient is φ = 12759600.

The previous prime is 13683613. The next prime is 13683727. The reversal of 13683679 is 97638631.

It is a de Polignac number, because none of the positive numbers 2k-13683679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27624 + ... + 28114.

It is an arithmetic number, because the mean of its divisors is an integer number (1221390).

Almost surely, 213683679 is an apocalyptic number.

13683679 is a deficient number, since it is larger than the sum of its proper divisors (973001).

13683679 is an equidigital number, since it uses as much as digits as its factorization.

13683679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 551 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 13683679 is about 3699.1457121882. The cubic root of 13683679 is about 239.1851940199.

The spelling of 13683679 in words is "thirteen million, six hundred eighty-three thousand, six hundred seventy-nine".

Divisors: 1 29 31 491 899 961 14239 15221 27869 441409 471851 13683679