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13853928 = 2331197541
BaseRepresentation
bin110100110110…
…010011101000
3222001212000110
4310312103220
512021311203
61212534320
7225520314
oct64662350
928055013
1013853928
117902730
1247813a0
132b40aba
141ba8b44
151339d03
hexd364e8

13853928 has 64 divisors (see below), whose sum is σ = 38243520. Its totient is φ = 4147200.

The previous prime is 13853927. The next prime is 13853951. The reversal of 13853928 is 82935831.

13853928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13853923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25338 + ... + 25878.

It is an arithmetic number, because the mean of its divisors is an integer number (597555).

Almost surely, 213853928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13853928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19121760).

13853928 is an abundant number, since it is smaller than the sum of its proper divisors (24389592).

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

13853928 is a wasteful number, since it uses less digits than its factorization.

13853928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 654 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 13853928 is about 3722.0865116222. The cubic root of 13853928 is about 240.1730696099.

The spelling of 13853928 in words is "thirteen million, eight hundred fifty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 97 132 194 264 291 388 541 582 776 1067 1082 1164 1623 2134 2164 2328 3201 3246 4268 4328 5951 6402 6492 8536 11902 12804 12984 17853 23804 25608 35706 47608 52477 71412 104954 142824 157431 209908 314862 419816 577247 629724 1154494 1259448 1731741 2308988 3463482 4617976 6926964 13853928