Base | Representation |
---|---|
bin | 110001110001… |
… | …100000011000 |
3 | 220112220021001 |
4 | 301301200120 |
5 | 11320012312 |
6 | 1143354344 |
7 | 215622220 |
oct | 61614030 |
9 | 26486231 |
10 | 13047832 |
11 | 7402036 |
12 | 44529b4 |
13 | 291ac15 |
14 | 1a39080 |
15 | 122b057 |
hex | c71818 |
13047832 has 32 divisors (see below), whose sum is σ = 29433600. Its totient is φ = 5297184.
The previous prime is 13047829. The next prime is 13047863. The reversal of 13047832 is 23874031.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 13047832.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5068 + ... + 7195.
It is an arithmetic number, because the mean of its divisors is an integer number (919800).
Almost surely, 213047832 is an apocalyptic number.
It is an amenable number.
13047832 is an abundant number, since it is smaller than the sum of its proper divisors (16385768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13047832 is a wasteful number, since it uses less digits than its factorization.
13047832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12295 (or 12291 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 13047832 is about 3612.1782901734. The cubic root of 13047832 is about 235.4214979595.
The spelling of 13047832 in words is "thirteen million, forty-seven thousand, eight hundred thirty-two".
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