Base | Representation |
---|---|
bin | 110010011110… |
… | …101011111001 |
3 | 220220022010000 |
4 | 302132223321 |
5 | 11341423024 |
6 | 1151343213 |
7 | 220322565 |
oct | 62365371 |
9 | 26808100 |
10 | 13232889 |
11 | 751907a |
12 | 4521b09 |
13 | 2984217 |
14 | 1a866a5 |
15 | 1265cc9 |
hex | c9eaf9 |
13232889 has 20 divisors (see below), whose sum is σ = 20630016. Its totient is φ = 8437176.
The previous prime is 13232887. The next prime is 13232893. The reversal of 13232889 is 98823231.
It is a happy number.
It is not a de Polignac number, because 13232889 - 21 = 13232887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13232887) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1689 + ... + 5414.
Almost surely, 213232889 is an apocalyptic number.
It is an amenable number.
13232889 is a deficient number, since it is larger than the sum of its proper divisors (7397127).
13232889 is an equidigital number, since it uses as much as digits as its factorization.
13232889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7138 (or 7129 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 13232889 is about 3637.7038087233. The cubic root of 13232889 is about 236.5292691435.
The spelling of 13232889 in words is "thirteen million, two hundred thirty-two thousand, eight hundred eighty-nine".
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