Base | Representation |
---|---|
bin | 101100100110… |
… | …1111011010100 |
3 | 1122000020010001 |
4 | 1121031323110 |
5 | 21441402420 |
6 | 2153141044 |
7 | 402536116 |
oct | 131157324 |
9 | 48006101 |
10 | 23387860 |
11 | 12224711 |
12 | 79ba784 |
13 | 4acb492 |
14 | 316b3b6 |
15 | 20beb0a |
hex | 164ded4 |
23387860 has 24 divisors (see below), whose sum is σ = 51700320. Its totient is φ = 8862624.
The previous prime is 23387821. The next prime is 23387867. The reversal of 23387860 is 6878332.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23387867) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30394 + ... + 31153.
It is an arithmetic number, because the mean of its divisors is an integer number (2154180).
Almost surely, 223387860 is an apocalyptic number.
23387860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23387860 is an abundant number, since it is smaller than the sum of its proper divisors (28312460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23387860 is a wasteful number, since it uses less digits than its factorization.
23387860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61575 (or 61573 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 23387860 is about 4836.0996681210. The cubic root of 23387860 is about 285.9763783122.
The spelling of 23387860 in words is "twenty-three million, three hundred eighty-seven thousand, eight hundred sixty".
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