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13892920 = 2352315101
BaseRepresentation
bin110100111111…
…110100111000
3222010211111121
4310333310320
512024033140
61213435024
7226042066
oct64776470
928124447
1013892920
117929a58
12479ba74
132b55782
141bb9036
15134664a
hexd3fd38

13892920 has 32 divisors (see below), whose sum is σ = 32620320. Its totient is φ = 5315200.

The previous prime is 13892917. The next prime is 13892939. The reversal of 13892920 is 2929831.

It is a super-2 number, since 2×138929202 = 386026452252800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (1019385).

Almost surely, 213892920 is an apocalyptic number.

13892920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13892920 is an abundant number, since it is smaller than the sum of its proper divisors (18727400).

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

13892920 is a wasteful number, since it uses less digits than its factorization.

13892920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135 (or 15131 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13892920 is about 3727.3207535709. The cubic root of 13892920 is about 240.3981816081.

The spelling of 13892920 in words is "thirteen million, eight hundred ninety-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 15101 30202 60404 75505 120808 151010 302020 347323 604040 694646 1389292 1736615 2778584 3473230 6946460 13892920