Base | Representation |
---|---|
bin | 101100011101… |
… | …1110111011101 |
3 | 1121212110122020 |
4 | 1120323313131 |
5 | 21432021020 |
6 | 2151410353 |
7 | 402110340 |
oct | 130736735 |
9 | 47773566 |
10 | 23313885 |
11 | 12184081 |
12 | 79839b9 |
13 | 4aa38ca |
14 | 314c457 |
15 | 20a7c40 |
hex | 163bddd |
23313885 has 64 divisors (see below), whose sum is σ = 46490112. Its totient is φ = 9732096.
The previous prime is 23313863. The next prime is 23313907. The reversal of 23313885 is 58831332.
It is an interprime number because it is at equal distance from previous prime (23313863) and next prime (23313907).
It is not a de Polignac number, because 23313885 - 27 = 23313757 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65869 + ... + 66221.
It is an arithmetic number, because the mean of its divisors is an integer number (726408).
Almost surely, 223313885 is an apocalyptic number.
It is an amenable number.
23313885 is a deficient number, since it is larger than the sum of its proper divisors (23176227).
23313885 is a wasteful number, since it uses less digits than its factorization.
23313885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422.
The product of its digits is 17280, while the sum is 33.
The square root of 23313885 is about 4828.4454019902. The cubic root of 23313885 is about 285.6745486998.
It can be divided in two parts, 2331 and 3885, that added together give a triangular number (6216 = T111).
The spelling of 23313885 in words is "twenty-three million, three hundred thirteen thousand, eight hundred eighty-five".
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