Base | Representation |
---|---|
bin | 101101011011… |
… | …1101000000100 |
3 | 1122211020000000 |
4 | 1122313220010 |
5 | 22044231204 |
6 | 2210321300 |
7 | 406321260 |
oct | 132675004 |
9 | 48736000 |
10 | 23820804 |
11 | 1249aa17 |
12 | 7b89230 |
13 | 4c20567 |
14 | 32410a0 |
15 | 2158039 |
hex | 16b7a04 |
23820804 has 96 divisors (see below), whose sum is σ = 71635200. Its totient is φ = 6788448.
The previous prime is 23820799. The next prime is 23820817. The reversal of 23820804 is 40802832.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61042 + ... + 61430.
It is an arithmetic number, because the mean of its divisors is an integer number (746200).
Almost surely, 223820804 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23820804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35817600).
23820804 is an abundant number, since it is smaller than the sum of its proper divisors (47814396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23820804 is an equidigital number, since it uses as much as digits as its factorization.
23820804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421 (or 401 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 23820804 is about 4880.6561034353. The cubic root of 23820804 is about 287.7302161090.
The spelling of 23820804 in words is "twenty-three million, eight hundred twenty thousand, eight hundred four".
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