Base | Representation |
---|---|
bin | 101100000111… |
… | …1010010100100 |
3 | 1121112012011211 |
4 | 1120033102210 |
5 | 21410200200 |
6 | 2143441204 |
7 | 400420123 |
oct | 130172244 |
9 | 47465154 |
10 | 23131300 |
11 | 12069985 |
12 | 78b6204 |
13 | 4a3b77a |
14 | 3101aba |
15 | 206daba |
hex | 160f4a4 |
23131300 has 36 divisors (see below), whose sum is σ = 50465520. Its totient is φ = 9202720.
The previous prime is 23131289. The next prime is 23131333. The reversal of 23131300 is 313132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22191 + ... + 23209.
It is an arithmetic number, because the mean of its divisors is an integer number (1401820).
Almost surely, 223131300 is an apocalyptic number.
23131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23131300 is an abundant number, since it is smaller than the sum of its proper divisors (27334220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131300 is a wasteful number, since it uses less digits than its factorization.
23131300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1260 (or 1253 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 23131300 is about 4809.5010136188. The cubic root of 23131300 is about 284.9268305034.
Adding to 23131300 its reverse (313132), we get a palindrome (23444432).
The spelling of 23131300 in words is "twenty-three million, one hundred thirty-one thousand, three hundred".
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