Base | Representation |
---|---|
bin | 11011100101000… |
… | …10101101001100 |
3 | 121010022221212201 |
4 | 31302202231030 |
5 | 433211300124 |
6 | 34542411244 |
7 | 5506320010 |
oct | 1562425514 |
9 | 533287781 |
10 | 231353164 |
11 | 109658069 |
12 | 65590b24 |
13 | 38c14183 |
14 | 22a24540 |
15 | 1549e144 |
hex | dca2b4c |
231353164 has 12 divisors (see below), whose sum is σ = 462706384. Its totient is φ = 99151344.
The previous prime is 231353137. The next prime is 231353167. The reversal of 231353164 is 461353132.
231353164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
231353164 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 8262613 = 231353164 / (2 + 3 + 1 + 3 + 5 + 3 + 1 + 6 + 4).
It is not an unprimeable number, because it can be changed into a prime (231353167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4131279 + ... + 4131334.
Almost surely, 2231353164 is an apocalyptic number.
It is an amenable number.
231353164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231353164 is a wasteful number, since it uses less digits than its factorization.
231353164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8262624 (or 8262622 counting only the distinct ones).
The product of its digits is 6480, while the sum is 28.
The square root of 231353164 is about 15210.2979589487. The cubic root of 231353164 is about 613.8917746487.
The spelling of 231353164 in words is "two hundred thirty-one million, three hundred fifty-three thousand, one hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •