Base | Representation |
---|---|
bin | 101100010001… |
… | …1111111010101 |
3 | 1121200111111000 |
4 | 1120203333111 |
5 | 21420403320 |
6 | 2145333513 |
7 | 401222244 |
oct | 130437725 |
9 | 47614430 |
10 | 23216085 |
11 | 12117652 |
12 | 7937299 |
13 | 4a6b239 |
14 | 312495b |
15 | 2088c90 |
hex | 1623fd5 |
23216085 has 32 divisors (see below), whose sum is σ = 43073280. Its totient is φ = 11841984.
The previous prime is 23216071. The next prime is 23216107. The reversal of 23216085 is 58061232.
It is not a de Polignac number, because 23216085 - 24 = 23216069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634 + ... + 6843.
It is an arithmetic number, because the mean of its divisors is an integer number (1346040).
Almost surely, 223216085 is an apocalyptic number.
It is an amenable number.
23216085 is a deficient number, since it is larger than the sum of its proper divisors (19857195).
23216085 is a wasteful number, since it uses less digits than its factorization.
23216085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7514 (or 7508 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 23216085 is about 4818.3072753821. The cubic root of 23216085 is about 285.2745277186.
The spelling of 23216085 in words is "twenty-three million, two hundred sixteen thousand, eighty-five".
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