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13768872 = 2331344131
BaseRepresentation
bin110100100001…
…100010101000
3221220112100020
4310201202220
512011100442
61211040440
7225014325
oct64414250
927815306
1013768872
117854837
124740120
132b11180
141b85b4c
15131e9ec
hexd218a8

13768872 has 32 divisors (see below), whose sum is σ = 37070880. Its totient is φ = 4236480.

The previous prime is 13768871. The next prime is 13768873. The reversal of 13768872 is 27886731.

It is an interprime number because it is at equal distance from previous prime (13768871) and next prime (13768873).

It is not an unprimeable number, because it can be changed into a prime (13768871) 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, 21754 + ... + 22377.

It is an arithmetic number, because the mean of its divisors is an integer number (1158465).

Almost surely, 213768872 is an apocalyptic number.

13768872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13768872 is an abundant number, since it is smaller than the sum of its proper divisors (23302008).

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

13768872 is a wasteful number, since it uses less digits than its factorization.

13768872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44153 (or 44149 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 13768872 is about 3710.6430709514. The cubic root of 13768872 is about 239.6805472022.

The spelling of 13768872 in words is "thirteen million, seven hundred sixty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 44131 88262 132393 176524 264786 353048 529572 573703 1059144 1147406 1721109 2294812 3442218 4589624 6884436 13768872