Base | Representation |
---|---|
bin | 101101101010… |
… | …1111101111000 |
3 | 1200001112110211 |
4 | 1123111331320 |
5 | 22112220310 |
6 | 2213120504 |
7 | 410346505 |
oct | 133257570 |
9 | 50045424 |
10 | 23945080 |
11 | 12575325 |
12 | 8029134 |
13 | 4c64cb3 |
14 | 32744ac |
15 | 217ec8a |
hex | 16d5f78 |
23945080 has 32 divisors (see below), whose sum is σ = 54419040. Its totient is φ = 9481600.
The previous prime is 23945069. The next prime is 23945081. The reversal of 23945080 is 8054932.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23945081) 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, 1077 + ... + 7003.
It is an arithmetic number, because the mean of its divisors is an integer number (1700595).
Almost surely, 223945080 is an apocalyptic number.
23945080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23945080 is an abundant number, since it is smaller than the sum of its proper divisors (30473960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23945080 is a wasteful number, since it uses less digits than its factorization.
23945080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6039 (or 6035 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 23945080 is about 4893.3710261945. The cubic root of 23945080 is about 288.2297228346.
The spelling of 23945080 in words is "twenty-three million, nine hundred forty-five thousand, eighty".
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