Base | Representation |
---|---|
bin | 101101011101… |
… | …0001010011101 |
3 | 1122211202020221 |
4 | 1122322022131 |
5 | 22100044242 |
6 | 2210441341 |
7 | 406363465 |
oct | 132721235 |
9 | 48752227 |
10 | 23831197 |
11 | 124a7805 |
12 | 7b93251 |
13 | 4c25200 |
14 | 3244ba5 |
15 | 215b167 |
hex | 16ba29d |
23831197 has 12 divisors (see below), whose sum is σ = 26931744. Its totient is φ = 21038160.
The previous prime is 23831191. The next prime is 23831201. The reversal of 23831197 is 79113832.
It is not a de Polignac number, because 23831197 - 223 = 15442589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23831191) 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, 822 + ... + 6952.
It is an arithmetic number, because the mean of its divisors is an integer number (2244312).
Almost surely, 223831197 is an apocalyptic number.
It is an amenable number.
23831197 is a deficient number, since it is larger than the sum of its proper divisors (3100547).
23831197 is a wasteful number, since it uses less digits than its factorization.
23831197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6180 (or 6167 counting only the distinct ones).
The product of its digits is 9072, while the sum is 34.
The square root of 23831197 is about 4881.7207007366. The cubic root of 23831197 is about 287.7720555216.
The spelling of 23831197 in words is "twenty-three million, eight hundred thirty-one thousand, one hundred ninety-seven".
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