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13886382 = 23171091249
BaseRepresentation
bin110100111110…
…001110101110
3222010111112110
4310332032232
512023331012
61213344450
7226014036
oct64761656
928114473
1013886382
117925054
124798126
132b527c3
141bb68c6
15134473c
hexd3e3ae

13886382 has 32 divisors (see below), whose sum is σ = 29700000. Its totient is φ = 4313088.

The previous prime is 13886381. The next prime is 13886387. The reversal of 13886382 is 28368831.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13886382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13886381) 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, 10494 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (928125).

Almost surely, 213886382 is an apocalyptic number.

13886382 is an abundant number, since it is smaller than the sum of its proper divisors (15813618).

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

13886382 is a wasteful number, since it uses less digits than its factorization.

13886382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 55296, while the sum is 39.

The square root of 13886382 is about 3726.4436128835. The cubic root of 13886382 is about 240.3604652767.

The spelling of 13886382 in words is "thirteen million, eight hundred eighty-six thousand, three hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 109 218 327 654 1249 1853 2498 3706 3747 5559 7494 11118 21233 42466 63699 127398 136141 272282 408423 816846 2314397 4628794 6943191 13886382