Base | Representation |
---|---|
bin | 101100110010… |
… | …0110111010000 |
3 | 1122011222222121 |
4 | 1121210313100 |
5 | 22002404213 |
6 | 2155144024 |
7 | 403410040 |
oct | 131446720 |
9 | 48158877 |
10 | 23481808 |
11 | 12289259 |
12 | 7a45014 |
13 | 4b3217c |
14 | 3193720 |
15 | 20dc88d |
hex | 1664dd0 |
23481808 has 20 divisors (see below), whose sum is σ = 51995680. Its totient is φ = 10063584.
The previous prime is 23481797. The next prime is 23481839. The reversal of 23481808 is 80818432.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104718 + ... + 104941.
It is an arithmetic number, because the mean of its divisors is an integer number (2599784).
Almost surely, 223481808 is an apocalyptic number.
23481808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23481808 is an abundant number, since it is smaller than the sum of its proper divisors (28513872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23481808 is a wasteful number, since it uses less digits than its factorization.
23481808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209674 (or 209668 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 23481808 is about 4845.8031326087. The cubic root of 23481808 is about 286.3587848892.
The spelling of 23481808 in words is "twenty-three million, four hundred eighty-one thousand, eight hundred eight".
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