Base | Representation |
---|---|
bin | 101100110011… |
… | …0101100110011 |
3 | 1122012101022020 |
4 | 1121212230303 |
5 | 22003124311 |
6 | 2155242523 |
7 | 403441005 |
oct | 131465463 |
9 | 48171266 |
10 | 23489331 |
11 | 12293978 |
12 | 7a49443 |
13 | 4b35718 |
14 | 3196375 |
15 | 20dec06 |
hex | 1666b33 |
23489331 has 16 divisors (see below), whose sum is σ = 32521728. Its totient is φ = 15069600.
The previous prime is 23489327. The next prime is 23489341. The reversal of 23489331 is 13398432.
It is a happy number.
It is not a de Polignac number, because 23489331 - 22 = 23489327 is a prime.
It is a super-2 number, since 2×234893312 = 1103497341655122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23489292 and 23489301.
It is not an unprimeable number, because it can be changed into a prime (23489311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7236 + ... + 9966.
It is an arithmetic number, because the mean of its divisors is an integer number (2032608).
Almost surely, 223489331 is an apocalyptic number.
23489331 is a deficient number, since it is larger than the sum of its proper divisors (9032397).
23489331 is a wasteful number, since it uses less digits than its factorization.
23489331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2842.
The product of its digits is 15552, while the sum is 33.
The square root of 23489331 is about 4846.5793091623. The cubic root of 23489331 is about 286.3893624200.
The spelling of 23489331 in words is "twenty-three million, four hundred eighty-nine thousand, three hundred thirty-one".
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