Base | Representation |
---|---|
bin | 101100000010… |
… | …1001010010000 |
3 | 1121110002021002 |
4 | 1120011022100 |
5 | 21402333213 |
6 | 2142521132 |
7 | 400155140 |
oct | 130051220 |
9 | 47402232 |
10 | 23089808 |
11 | 12040795 |
12 | 78961a8 |
13 | 4a25911 |
14 | 30d0920 |
15 | 2061658 |
hex | 1605290 |
23089808 has 80 divisors (see below), whose sum is σ = 55246464. Its totient is φ = 9123840.
The previous prime is 23089789. The next prime is 23089811. The reversal of 23089808 is 80898032.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127478 + ... + 127658.
Almost surely, 223089808 is an apocalyptic number.
23089808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23089808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27623232).
23089808 is an abundant number, since it is smaller than the sum of its proper divisors (32156656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23089808 is a wasteful number, since it uses less digits than its factorization.
23089808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280 (or 274 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 23089808 is about 4805.1855323182. The cubic root of 23089808 is about 284.7563650904.
The spelling of 23089808 in words is "twenty-three million, eighty-nine thousand, eight hundred eight".
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