Base | Representation |
---|---|
bin | 101100011110… |
… | …0010110111101 |
3 | 1121212120101220 |
4 | 1120330112331 |
5 | 21432102101 |
6 | 2151423553 |
7 | 402116250 |
oct | 130742675 |
9 | 47776356 |
10 | 23315901 |
11 | 12185644 |
12 | 7984bb9 |
13 | 4aa47bb |
14 | 314d097 |
15 | 20a8636 |
hex | 163c5bd |
23315901 has 16 divisors (see below), whose sum is σ = 36286464. Its totient is φ = 13039344.
The previous prime is 23315899. The next prime is 23315911. The reversal of 23315901 is 10951332.
It is a happy number.
It is not a de Polignac number, because 23315901 - 21 = 23315899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23315911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10825 + ... + 12798.
It is an arithmetic number, because the mean of its divisors is an integer number (2267904).
Almost surely, 223315901 is an apocalyptic number.
23315901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23315901 is a deficient number, since it is larger than the sum of its proper divisors (12970563).
23315901 is a wasteful number, since it uses less digits than its factorization.
23315901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23680.
The product of its (nonzero) digits is 810, while the sum is 24.
The square root of 23315901 is about 4828.6541603225. The cubic root of 23315901 is about 285.6827827528.
The spelling of 23315901 in words is "twenty-three million, three hundred fifteen thousand, nine hundred one".
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