Base | Representation |
---|---|
bin | 101011111000… |
… | …1101010110111 |
3 | 1121022000202022 |
4 | 1113301222313 |
5 | 21342304400 |
6 | 2141103355 |
7 | 366403322 |
oct | 127615267 |
9 | 47260668 |
10 | 23009975 |
11 | 11a9680a |
12 | 7857b5b |
13 | 49c8491 |
14 | 30ad7b9 |
15 | 2047b85 |
hex | 15f1ab7 |
23009975 has 6 divisors (see below), whose sum is σ = 28532400. Its totient is φ = 18407960.
The previous prime is 23009953. The next prime is 23009983. The reversal of 23009975 is 57990032.
It is not a de Polignac number, because 23009975 - 26 = 23009911 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460175 + ... + 460224.
It is an arithmetic number, because the mean of its divisors is an integer number (4755400).
Almost surely, 223009975 is an apocalyptic number.
23009975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23009975 is a deficient number, since it is larger than the sum of its proper divisors (5522425).
23009975 is an equidigital number, since it uses as much as digits as its factorization.
23009975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920409 (or 920404 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 35.
The square root of 23009975 is about 4796.8713762201. The cubic root of 23009975 is about 284.4278044680.
The spelling of 23009975 in words is "twenty-three million, nine thousand, nine hundred seventy-five".
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