Base | Representation |
---|---|
bin | 101100001011… |
… | …1101000101101 |
3 | 1121120221001221 |
4 | 1120113220231 |
5 | 21412243420 |
6 | 2144303341 |
7 | 400621600 |
oct | 130275055 |
9 | 47527057 |
10 | 23165485 |
11 | 12092632 |
12 | 7911b51 |
13 | 4a511b5 |
14 | 3110337 |
15 | 2078caa |
hex | 1617a2d |
23165485 has 24 divisors (see below), whose sum is σ = 33751296. Its totient is φ = 15190560.
The previous prime is 23165453. The next prime is 23165491. The reversal of 23165485 is 58456132.
It is not a de Polignac number, because 23165485 - 25 = 23165453 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23165485.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 3580 + ... + 7690.
It is an arithmetic number, because the mean of its divisors is an integer number (1406304).
Almost surely, 223165485 is an apocalyptic number.
It is an amenable number.
23165485 is a deficient number, since it is larger than the sum of its proper divisors (10585811).
23165485 is a wasteful number, since it uses less digits than its factorization.
23165485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4153 (or 4146 counting only the distinct ones).
The product of its digits is 28800, while the sum is 34.
The square root of 23165485 is about 4813.0536045218. The cubic root of 23165485 is about 285.0671227968.
The spelling of 23165485 in words is "twenty-three million, one hundred sixty-five thousand, four hundred eighty-five".
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