Base | Representation |
---|---|
bin | 101100100110… |
… | …0100001000101 |
3 | 1121222221012011 |
4 | 1121030201011 |
5 | 21441211320 |
6 | 2153054221 |
7 | 402513226 |
oct | 131144105 |
9 | 47887164 |
10 | 23382085 |
11 | 12220341 |
12 | 79b7371 |
13 | 4ac896c |
14 | 316924d |
15 | 20bd05a |
hex | 164c845 |
23382085 has 4 divisors (see below), whose sum is σ = 28058508. Its totient is φ = 18705664.
The previous prime is 23382083. The next prime is 23382101. The reversal of 23382085 is 58028332.
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 9847044 + 13535041 = 3138^2 + 3679^2 .
It is a cyclic number.
It is not a de Polignac number, because 23382085 - 21 = 23382083 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23382083) 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, 2338204 + ... + 2338213.
It is an arithmetic number, because the mean of its divisors is an integer number (7014627).
Almost surely, 223382085 is an apocalyptic number.
It is an amenable number.
23382085 is a deficient number, since it is larger than the sum of its proper divisors (4676423).
23382085 is an equidigital number, since it uses as much as digits as its factorization.
23382085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4676422.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 23382085 is about 4835.5025591969. The cubic root of 23382085 is about 285.9528383284.
The spelling of 23382085 in words is "twenty-three million, three hundred eighty-two thousand, eighty-five".
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