Base | Representation |
---|---|
bin | 101101101111… |
… | …1000100101010 |
3 | 1200010102122020 |
4 | 1123133010222 |
5 | 22114414003 |
6 | 2214005310 |
7 | 410563320 |
oct | 133370452 |
9 | 50112566 |
10 | 23982378 |
11 | 125a0352 |
12 | 8046836 |
13 | 4c78c74 |
14 | 3283d10 |
15 | 218ad53 |
hex | 16df12a |
23982378 has 32 divisors (see below), whose sum is σ = 55181184. Its totient is φ = 6806592.
The previous prime is 23982367. The next prime is 23982403. The reversal of 23982378 is 87328932.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
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, 4776 + ... + 8412.
It is an arithmetic number, because the mean of its divisors is an integer number (1724412).
Almost surely, 223982378 is an apocalyptic number.
23982378 is an abundant number, since it is smaller than the sum of its proper divisors (31198806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23982378 is a wasteful number, since it uses less digits than its factorization.
23982378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3806.
The product of its digits is 145152, while the sum is 42.
The square root of 23982378 is about 4897.1806174574. The cubic root of 23982378 is about 288.3792986591.
The spelling of 23982378 in words is "twenty-three million, nine hundred eighty-two thousand, three hundred seventy-eight".
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