Base | Representation |
---|---|
bin | 101100010110… |
… | …1101010100011 |
3 | 1121202111211210 |
4 | 1120231222203 |
5 | 21423140330 |
6 | 2150241203 |
7 | 401445630 |
oct | 130555243 |
9 | 47674753 |
10 | 23255715 |
11 | 121443aa |
12 | 7956203 |
13 | 4a832a2 |
14 | 3135187 |
15 | 20958b0 |
hex | 162daa3 |
23255715 has 32 divisors (see below), whose sum is σ = 44766720. Its totient is φ = 10070784.
The previous prime is 23255671. The next prime is 23255717. The reversal of 23255715 is 51755232.
It is not a de Polignac number, because 23255715 - 216 = 23190179 is a prime.
It is a super-2 number, since 2×232557152 = 1081656560322450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23255717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3834 + ... + 7823.
It is an arithmetic number, because the mean of its divisors is an integer number (1398960).
Almost surely, 223255715 is an apocalyptic number.
23255715 is a deficient number, since it is larger than the sum of its proper divisors (21511005).
23255715 is a wasteful number, since it uses less digits than its factorization.
23255715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11691.
The product of its digits is 10500, while the sum is 30.
The square root of 23255715 is about 4822.4179619772. The cubic root of 23255715 is about 285.4367572363.
The spelling of 23255715 in words is "twenty-three million, two hundred fifty-five thousand, seven hundred fifteen".
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