Base | Representation |
---|---|
bin | 110101001000… |
… | …001111100000 |
3 | 222012120210100 |
4 | 311020033200 |
5 | 12031134032 |
6 | 1214302400 |
7 | 226244433 |
oct | 65101740 |
9 | 28176710 |
10 | 13927392 |
11 | 7952946 |
12 | 47b7a00 |
13 | 2b6837b |
14 | 1bc781a |
15 | 135197c |
hex | d483e0 |
13927392 has 72 divisors (see below), whose sum is σ = 40707576. Its totient is φ = 4513536.
The previous prime is 13927391. The next prime is 13927409. The reversal of 13927392 is 29372931.
It is a tau number, because it is divible by the number of its divisors (72).
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 (13927391) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10003 + ... + 11309.
It is an arithmetic number, because the mean of its divisors is an integer number (565383).
Almost surely, 213927392 is an apocalyptic number.
13927392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13927392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20353788).
13927392 is an abundant number, since it is smaller than the sum of its proper divisors (26780184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13927392 is a wasteful number, since it uses less digits than its factorization.
13927392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1360 (or 1349 counting only the distinct ones).
The product of its digits is 20412, while the sum is 36.
The square root of 13927392 is about 3731.9421217377. The cubic root of 13927392 is about 240.5968478224.
The spelling of 13927392 in words is "thirteen million, nine hundred twenty-seven thousand, three hundred ninety-two".
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