Base | Representation |
---|---|
bin | 101100001110… |
… | …1011001011000 |
3 | 1121122010102211 |
4 | 1120131121120 |
5 | 21414022310 |
6 | 2145004504 |
7 | 401050435 |
oct | 130353130 |
9 | 47563384 |
10 | 23189080 |
11 | 120a9332 |
12 | 7923734 |
13 | 4a5bb65 |
14 | 3118b8c |
15 | 2080c8a |
hex | 161d658 |
23189080 has 32 divisors (see below), whose sum is σ = 52313040. Its totient is φ = 9251200.
The previous prime is 23189077. The next prime is 23189113. The reversal of 23189080 is 8098132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27627 + ... + 28453.
Almost surely, 223189080 is an apocalyptic number.
23189080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23189080 is an abundant number, since it is smaller than the sum of its proper divisors (29123960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23189080 is a wasteful number, since it uses less digits than its factorization.
23189080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1539 (or 1535 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 23189080 is about 4815.5041272955. The cubic root of 23189080 is about 285.1638741553.
The spelling of 23189080 in words is "twenty-three million, one hundred eighty-nine thousand, eighty".
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