Base | Representation |
---|---|
bin | 110101010110… |
… | …100100111100 |
3 | 222022120100000 |
4 | 311112210330 |
5 | 12040023413 |
6 | 1215434300 |
7 | 226610553 |
oct | 65264474 |
9 | 28276300 |
10 | 13986108 |
11 | 7992a74 |
12 | 4825990 |
13 | 2b89006 |
14 | 1c00d9a |
15 | 1364073 |
hex | d5693c |
13986108 has 36 divisors (see below), whose sum is σ = 36665720. Its totient is φ = 4661712.
The previous prime is 13986107. The next prime is 13986113. The reversal of 13986108 is 80168931.
13986108 is a `hidden beast` number, since 1 + 39 + 8 + 610 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×139861082 = 391222433975328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13986103) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 6223 + ... + 8166.
Almost surely, 213986108 is an apocalyptic number.
13986108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13986108 is an abundant number, since it is smaller than the sum of its proper divisors (22679612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13986108 is a wasteful number, since it uses less digits than its factorization.
13986108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14408 (or 14394 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 13986108 is about 3739.8005294400. The cubic root of 13986108 is about 240.9344817106.
The spelling of 13986108 in words is "thirteen million, nine hundred eighty-six thousand, one hundred eight".
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