Base | Representation |
---|---|
bin | 101101100001… |
… | …1101111110000 |
3 | 1122220202002200 |
4 | 1123003233300 |
5 | 22102323243 |
6 | 2211343200 |
7 | 406616100 |
oct | 133035760 |
9 | 48822080 |
10 | 23870448 |
11 | 12524248 |
12 | 7bb1b00 |
13 | 4c3a034 |
14 | 3255200 |
15 | 2167ad3 |
hex | 16c3bf0 |
23870448 has 180 divisors, whose sum is σ = 82695600. Its totient is φ = 6386688.
The previous prime is 23870443. The next prime is 23870449. The reversal of 23870448 is 84407832.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23870443) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119853 + ... + 120051.
It is an arithmetic number, because the mean of its divisors is an integer number (459420).
Almost surely, 223870448 is an apocalyptic number.
23870448 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 23870448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41347800).
23870448 is an abundant number, since it is smaller than the sum of its proper divisors (58825152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23870448 is a wasteful number, since it uses less digits than its factorization.
23870448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244 (or 228 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 23870448 is about 4885.7392480565. The cubic root of 23870448 is about 287.9299598198.
The spelling of 23870448 in words is "twenty-three million, eight hundred seventy thousand, four hundred forty-eight".
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