Base | Representation |
---|---|
bin | 101100000010… |
… | …0000000110001 |
3 | 1121102211210220 |
4 | 1120010000301 |
5 | 21402210410 |
6 | 2142443253 |
7 | 400135341 |
oct | 130040061 |
9 | 47384726 |
10 | 23085105 |
11 | 120381aa |
12 | 7893529 |
13 | 4a23734 |
14 | 30ccd21 |
15 | 2060070 |
hex | 1604031 |
23085105 has 16 divisors (see below), whose sum is σ = 37001664. Its totient is φ = 12290240.
The previous prime is 23085103. The next prime is 23085113. The reversal of 23085105 is 50158032.
It is not a de Polignac number, because 23085105 - 21 = 23085103 is a prime.
It is a super-2 number, since 2×230851052 = 1065844145722050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23085103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10990 + ... + 12920.
It is an arithmetic number, because the mean of its divisors is an integer number (2312604).
Almost surely, 223085105 is an apocalyptic number.
It is an amenable number.
23085105 is a deficient number, since it is larger than the sum of its proper divisors (13916559).
23085105 is a wasteful number, since it uses less digits than its factorization.
23085105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2736.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 23085105 is about 4804.6961402361. The cubic root of 23085105 is about 284.7370304396.
The spelling of 23085105 in words is "twenty-three million, eighty-five thousand, one hundred five".
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