Base | Representation |
---|---|
bin | 101100001110… |
… | …1111001001111 |
3 | 1121122020020100 |
4 | 1120131321033 |
5 | 21414103434 |
6 | 2145022143 |
7 | 401056410 |
oct | 130357117 |
9 | 47566210 |
10 | 23191119 |
11 | 120aa916 |
12 | 7924953 |
13 | 4a5ca73 |
14 | 3119807 |
15 | 2081699 |
hex | 161de4f |
23191119 has 24 divisors (see below), whose sum is σ = 39322400. Its totient is φ = 12892608.
The previous prime is 23191099. The next prime is 23191121. The reversal of 23191119 is 91119132.
It is not a de Polignac number, because 23191119 - 27 = 23190991 is a prime.
It is a super-2 number, since 2×231911192 = 1075656000944322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23191092 and 23191101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23191139) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2644 + ... + 7305.
Almost surely, 223191119 is an apocalyptic number.
23191119 is a deficient number, since it is larger than the sum of its proper divisors (16131281).
23191119 is a wasteful number, since it uses less digits than its factorization.
23191119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9999 (or 9996 counting only the distinct ones).
The product of its digits is 486, while the sum is 27.
The square root of 23191119 is about 4815.7158346397. The cubic root of 23191119 is about 285.1722319987.
The spelling of 23191119 in words is "twenty-three million, one hundred ninety-one thousand, one hundred nineteen".
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