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13868 = 223467
BaseRepresentation
bin11011000101100
3201000122
43120230
5420433
6144112
755301
oct33054
921018
1013868
11a468
128038
13640a
1450a8
154198
hex362c

13868 has 6 divisors (see below), whose sum is σ = 24276. Its totient is φ = 6932.

The previous prime is 13859. The next prime is 13873. The reversal of 13868 is 86831.

13868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (4046).

213868 is an apocalyptic number.

It is an amenable number.

13868 is a deficient number, since it is larger than the sum of its proper divisors (10408).

13868 is a wasteful number, since it uses less digits than its factorization.

13868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471 (or 3469 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 13868 is about 117.7624728001. The cubic root of 13868 is about 24.0254359955.

The spelling of 13868 in words is "thirteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 3467 6934 13868