Base | Representation |
---|---|
bin | 101100011010… |
… | …0111110111101 |
3 | 1121211000222002 |
4 | 1120310332331 |
5 | 21430120233 |
6 | 2151032045 |
7 | 401632214 |
oct | 130647675 |
9 | 47730862 |
10 | 23285693 |
11 | 12164982 |
12 | 796b625 |
13 | 4a93b22 |
14 | 314207b |
15 | 209e6e8 |
hex | 1634fbd |
23285693 has 4 divisors (see below), whose sum is σ = 23547420. Its totient is φ = 23023968.
The previous prime is 23285677. The next prime is 23285701. The reversal of 23285693 is 39658232.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8868484 + 14417209 = 2978^2 + 3797^2 .
It is a cyclic number.
It is not a de Polignac number, because 23285693 - 24 = 23285677 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23285623) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130730 + ... + 130907.
It is an arithmetic number, because the mean of its divisors is an integer number (5886855).
Almost surely, 223285693 is an apocalyptic number.
It is an amenable number.
23285693 is a deficient number, since it is larger than the sum of its proper divisors (261727).
23285693 is an equidigital number, since it uses as much as digits as its factorization.
23285693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261726.
The product of its digits is 77760, while the sum is 38.
The square root of 23285693 is about 4825.5251527683. The cubic root of 23285693 is about 285.5593528934.
The spelling of 23285693 in words is "twenty-three million, two hundred eighty-five thousand, six hundred ninety-three".
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