Base | Representation |
---|---|
bin | 101100010011… |
… | …1101100000110 |
3 | 1121201021021020 |
4 | 1120213230012 |
5 | 21421344423 |
6 | 2145532010 |
7 | 401314362 |
oct | 130475406 |
9 | 47637236 |
10 | 23231238 |
11 | 12127a78 |
12 | 7944006 |
13 | 4a750c4 |
14 | 312a2a2 |
15 | 208d4e3 |
hex | 1627b06 |
23231238 has 16 divisors (see below), whose sum is σ = 46914816. Its totient is φ = 7668360.
The previous prime is 23231237. The next prime is 23231267. The reversal of 23231238 is 83213232.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23231237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18178 + ... + 19413.
It is an arithmetic number, because the mean of its divisors is an integer number (2932176).
Almost surely, 223231238 is an apocalyptic number.
23231238 is an abundant number, since it is smaller than the sum of its proper divisors (23683578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231238 is a wasteful number, since it uses less digits than its factorization.
23231238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37699.
The product of its digits is 1728, while the sum is 24.
The square root of 23231238 is about 4819.8794590736. The cubic root of 23231238 is about 285.3365798803.
The spelling of 23231238 in words is "twenty-three million, two hundred thirty-one thousand, two hundred thirty-eight".
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