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13887368 = 2311179283
BaseRepresentation
bin110100111110…
…011110001000
3222010112212222
4310332132020
512023343433
61213353212
7226016645
oct64763610
928115788
1013887368
117925870
124798808
132b530a1
141bb6dcc
151344b98
hexd3e788

13887368 has 32 divisors (see below), whose sum is σ = 30080160. Its totient is φ = 5940480.

The previous prime is 13887359. The next prime is 13887389. The reversal of 13887368 is 86378831.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

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, 3146 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (940005).

Almost surely, 213887368 is an apocalyptic number.

It is an amenable number.

13887368 is an abundant number, since it is smaller than the sum of its proper divisors (16192792).

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

13887368 is a wasteful number, since it uses less digits than its factorization.

13887368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317 (or 9313 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 13887368 is about 3726.5759082568. The cubic root of 13887368 is about 240.3661540589.

The spelling of 13887368 in words is "thirteen million, eight hundred eighty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 9283 18566 37132 74264 102113 157811 204226 315622 408452 631244 816904 1262488 1735921 3471842 6943684 13887368