Base | Representation |
---|---|
bin | 101100000100… |
… | …0111000111000 |
3 | 1121110212012201 |
4 | 1120020320320 |
5 | 21403330310 |
6 | 2143115544 |
7 | 400250515 |
oct | 130107070 |
9 | 47425181 |
10 | 23105080 |
11 | 12051209 |
12 | 78a2bb4 |
13 | 4a2c85b |
14 | 30d630c |
15 | 2065e3a |
hex | 1608e38 |
23105080 has 16 divisors (see below), whose sum is σ = 51986520. Its totient is φ = 9242016.
The previous prime is 23105077. The next prime is 23105107. The reversal of 23105080 is 8050132.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288774 + ... + 288853.
Almost surely, 223105080 is an apocalyptic number.
23105080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23105080 is an abundant number, since it is smaller than the sum of its proper divisors (28881440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23105080 is a wasteful number, since it uses less digits than its factorization.
23105080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577638 (or 577634 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 23105080 is about 4806.7743862179. The cubic root of 23105080 is about 284.8191321890.
The spelling of 23105080 in words is "twenty-three million, one hundred five thousand, eighty".
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