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13793860 = 225689693
BaseRepresentation
bin110100100111…
…101001000100
3221221210121201
4310213221010
512012400420
61211352244
7225150223
oct64475104
927853551
1013793860
117871593
124752684
132b1c662
141b90cba
15132710a
hexd27a44

13793860 has 12 divisors (see below), whose sum is σ = 28967148. Its totient is φ = 5517536.

The previous prime is 13793849. The next prime is 13793881. The reversal of 13793860 is 6839731.

It can be written as a sum of positive squares in 2 ways, for example, as 4937284 + 8856576 = 2222^2 + 2976^2 .

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 3 ways as a sum of consecutive naturals, for example, 344827 + ... + 344866.

It is an arithmetic number, because the mean of its divisors is an integer number (2413929).

Almost surely, 213793860 is an apocalyptic number.

13793860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13793860 is an abundant number, since it is smaller than the sum of its proper divisors (15173288).

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

13793860 is a wasteful number, since it uses less digits than its factorization.

13793860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689702 (or 689700 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13793860 is about 3714.0086160374. The cubic root of 13793860 is about 239.8254517883.

The spelling of 13793860 in words is "thirteen million, seven hundred ninety-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 689693 1379386 2758772 3448465 6896930 13793860