Base | Representation |
---|---|
bin | 101100000110… |
… | …0101111000000 |
3 | 1121111122211010 |
4 | 1120030233000 |
5 | 21404331312 |
6 | 2143320520 |
7 | 400344450 |
oct | 130145700 |
9 | 47448733 |
10 | 23120832 |
11 | 12062029 |
12 | 78b0140 |
13 | 4a36a87 |
14 | 30dbd60 |
15 | 206a93c |
hex | 160cbc0 |
23120832 has 56 divisors (see below), whose sum is σ = 69917056. Its totient is φ = 6605568.
The previous prime is 23120809. The next prime is 23120837. The reversal of 23120832 is 23802132.
It is a tau number, because it is divible by the number of its divisors (56).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 23120799 and 23120808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23120837) 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, 7258 + ... + 9945.
Almost surely, 223120832 is an apocalyptic number.
It is an amenable number.
23120832 is an abundant number, since it is smaller than the sum of its proper divisors (46796224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23120832 is a wasteful number, since it uses less digits than its factorization.
23120832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17225 (or 17215 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 23120832 is about 4808.4126278846. The cubic root of 23120832 is about 284.8838430924.
Adding to 23120832 its reverse (23802132), we get a palindrome (46922964).
The spelling of 23120832 in words is "twenty-three million, one hundred twenty thousand, eight hundred thirty-two".
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