Base | Representation |
---|---|
bin | 101100001110… |
… | …1110110011000 |
3 | 1121122012222120 |
4 | 1120131312120 |
5 | 21414102221 |
6 | 2145021240 |
7 | 401056026 |
oct | 130356630 |
9 | 47565876 |
10 | 23190936 |
11 | 120aa76a |
12 | 7924820 |
13 | 4a5c962 |
14 | 3119716 |
15 | 20815c6 |
hex | 161dd98 |
23190936 has 24 divisors (see below), whose sum is σ = 58036380. Its totient is φ = 7722448.
The previous prime is 23190931. The next prime is 23190961. The reversal of 23190936 is 63909132.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 23190897 and 23190906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23190931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23101 + ... + 24083.
Almost surely, 223190936 is an apocalyptic number.
It is an amenable number.
23190936 is an abundant number, since it is smaller than the sum of its proper divisors (34845444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23190936 is an frugal number, since it uses more digits than its factorization.
23190936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1975 (or 988 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 33.
The square root of 23190936 is about 4815.6968343117. The cubic root of 23190936 is about 285.1714819033.
The spelling of 23190936 in words is "twenty-three million, one hundred ninety thousand, nine hundred thirty-six".
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