Base | Representation |
---|---|
bin | 101101110000… |
… | …1001000000000 |
3 | 1200010212011120 |
4 | 1123201020000 |
5 | 22120201114 |
6 | 2214112240 |
7 | 410626656 |
oct | 133411000 |
9 | 50125146 |
10 | 23990784 |
11 | 125a66a4 |
12 | 804b680 |
13 | 4c7ca3c |
14 | 3286dd6 |
15 | 218d5a9 |
hex | 16e1200 |
23990784 has 40 divisors (see below), whose sum is σ = 63917040. Its totient is φ = 7996416.
The previous prime is 23990783. The next prime is 23990789. The reversal of 23990784 is 48709932.
It is not an unprimeable number, because it can be changed into a prime (23990783) 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, 6274 + ... + 9345.
It is an arithmetic number, because the mean of its divisors is an integer number (1597926).
Almost surely, 223990784 is an apocalyptic number.
23990784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23990784 is an abundant number, since it is smaller than the sum of its proper divisors (39926256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23990784 is an equidigital number, since it uses as much as digits as its factorization.
23990784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15640 (or 15624 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 23990784 is about 4898.0387911898. The cubic root of 23990784 is about 288.4129877455.
The spelling of 23990784 in words is "twenty-three million, nine hundred ninety thousand, seven hundred eighty-four".
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