Base | Representation |
---|---|
bin | 110010011110… |
… | …101101011101 |
3 | 220220022020201 |
4 | 302132231131 |
5 | 11341423424 |
6 | 1151343501 |
7 | 220323100 |
oct | 62365535 |
9 | 26808221 |
10 | 13232989 |
11 | 7519160 |
12 | 4521b91 |
13 | 2984293 |
14 | 1a86737 |
15 | 1265d44 |
hex | c9eb5d |
13232989 has 12 divisors (see below), whose sum is σ = 16793568. Its totient is φ = 10311000.
The previous prime is 13232983. The next prime is 13233007. The reversal of 13232989 is 98923231.
It is not a de Polignac number, because 13232989 - 213 = 13224797 is a prime.
It is a super-2 number, since 2×132329892 = 350223995748242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13232983) 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, 11737 + ... + 12814.
It is an arithmetic number, because the mean of its divisors is an integer number (1399464).
Almost surely, 213232989 is an apocalyptic number.
It is an amenable number.
13232989 is a deficient number, since it is larger than the sum of its proper divisors (3560579).
13232989 is a wasteful number, since it uses less digits than its factorization.
13232989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24576 (or 24569 counting only the distinct ones).
The product of its digits is 23328, while the sum is 37.
The square root of 13232989 is about 3637.7175536317. The cubic root of 13232989 is about 236.5298649536.
The spelling of 13232989 in words is "thirteen million, two hundred thirty-two thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •