Base | Representation |
---|---|
bin | 101100101101… |
… | …1100101100000 |
3 | 1122010001212012 |
4 | 1121123211200 |
5 | 22000200213 |
6 | 2154252052 |
7 | 403161203 |
oct | 131334540 |
9 | 48101765 |
10 | 23443808 |
11 | 12262753 |
12 | 7a27028 |
13 | 4b1aa9b |
14 | 318393a |
15 | 20d14a8 |
hex | 165b960 |
23443808 has 48 divisors (see below), whose sum is σ = 49152096. Its totient is φ = 10982400.
The previous prime is 23443793. The next prime is 23443811. The reversal of 23443808 is 80834432.
It is a super-2 number, since 2×234438082 = 1099224267081728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38708 + ... + 39308.
It is an arithmetic number, because the mean of its divisors is an integer number (1024002).
Almost surely, 223443808 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 23443808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24576048).
23443808 is an abundant number, since it is smaller than the sum of its proper divisors (25708288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23443808 is a wasteful number, since it uses less digits than its factorization.
23443808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 687 (or 679 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 23443808 is about 4841.8806263682. The cubic root of 23443808 is about 286.2042324951.
It can be divided in two parts, 2 and 3443808, that multiplied together give a triangular number (6887616 = T3711).
The spelling of 23443808 in words is "twenty-three million, four hundred forty-three thousand, eight hundred eight".
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