Base | Representation |
---|---|
bin | 101101011100… |
… | …1011010100011 |
3 | 1122211121001101 |
4 | 1122321122203 |
5 | 22100000011 |
6 | 2210415231 |
7 | 406351525 |
oct | 132713243 |
9 | 48747041 |
10 | 23828131 |
11 | 124a5478 |
12 | 7b91517 |
13 | 4c239b2 |
14 | 3243a15 |
15 | 215a2c1 |
hex | 16b96a3 |
23828131 has 2 divisors, whose sum is σ = 23828132. Its totient is φ = 23828130.
The previous prime is 23828117. The next prime is 23828141. The reversal of 23828131 is 13182832.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23828131 - 25 = 23828099 is a prime.
It is a super-2 number, since 2×238281312 = 1135559653906322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23828131.
It is not a weakly prime, because it can be changed into another prime (23828141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11914065 + 11914066.
It is an arithmetic number, because the mean of its divisors is an integer number (11914066).
Almost surely, 223828131 is an apocalyptic number.
23828131 is a deficient number, since it is larger than the sum of its proper divisors (1).
23828131 is an equidigital number, since it uses as much as digits as its factorization.
23828131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2304, while the sum is 28.
The square root of 23828131 is about 4881.4066620186. The cubic root of 23828131 is about 287.7597138983.
The spelling of 23828131 in words is "twenty-three million, eight hundred twenty-eight thousand, one hundred thirty-one".
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