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13083868 = 2274310867
BaseRepresentation
bin110001111010…
…010011011100
3220121201200201
4301322103130
511322140433
61144233244
7216132250
oct61722334
926551621
1013083868
117427116
12446b824
132931445
141a48260
151236a7d
hexc7a4dc

13083868 has 24 divisors (see below), whose sum is σ = 26778752. Its totient is φ = 5476464.

The previous prime is 13083859. The next prime is 13083869. The reversal of 13083868 is 86838031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13083869) 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 7 ways as a sum of consecutive naturals, for example, 4230 + ... + 6637.

Almost surely, 213083868 is an apocalyptic number.

It is an amenable number.

13083868 is an abundant number, since it is smaller than the sum of its proper divisors (13694884).

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

13083868 is a wasteful number, since it uses less digits than its factorization.

13083868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13083868 is about 3617.1629766987. The cubic root of 13083868 is about 235.6380307625.

The spelling of 13083868 in words is "thirteen million, eighty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 10867 21734 43468 76069 152138 304276 467281 934562 1869124 3270967 6541934 13083868