Base | Representation |
---|---|
bin | 101100011111… |
… | …0110010000111 |
3 | 1121220002000200 |
4 | 1120332302013 |
5 | 21432411311 |
6 | 2151541543 |
7 | 402160224 |
oct | 130766207 |
9 | 47802020 |
10 | 23325831 |
11 | 12192051 |
12 | 798a8b3 |
13 | 4aa9189 |
14 | 315294b |
15 | 20ab556 |
hex | 163ec87 |
23325831 has 12 divisors (see below), whose sum is σ = 34855080. Its totient is φ = 15014160.
The previous prime is 23325829. The next prime is 23325859. The reversal of 23325831 is 13852332.
It is not a de Polignac number, because 23325831 - 21 = 23325829 is a prime.
It is a super-2 number, since 2×233258312 = 1088188783681122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23325795 and 23325804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23325871) 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, 44425 + ... + 44946.
It is an arithmetic number, because the mean of its divisors is an integer number (2904590).
Almost surely, 223325831 is an apocalyptic number.
23325831 is a deficient number, since it is larger than the sum of its proper divisors (11529249).
23325831 is a wasteful number, since it uses less digits than its factorization.
23325831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89406 (or 89403 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 23325831 is about 4829.6822876873. The cubic root of 23325831 is about 285.7233334397.
It can be divided in two parts, 233258 and 31, that added together give a square (233289 = 4832).
The spelling of 23325831 in words is "twenty-three million, three hundred twenty-five thousand, eight hundred thirty-one".
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