Base | Representation |
---|---|
bin | 101101011101… |
… | …0000111111110 |
3 | 1122211202001001 |
4 | 1122322013332 |
5 | 22100043123 |
6 | 2210440514 |
7 | 406363150 |
oct | 132720776 |
9 | 48752031 |
10 | 23831038 |
11 | 124a7680 |
12 | 7b9313a |
13 | 4c2510a |
14 | 3244ad0 |
15 | 215b0ad |
hex | 16ba1fe |
23831038 has 16 divisors (see below), whose sum is σ = 44567424. Its totient is φ = 9284760.
The previous prime is 23831023. The next prime is 23831039. The reversal of 23831038 is 83013832.
It is a junction number, because it is equal to n+sod(n) for n = 23830997 and 23831015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23831039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77220 + ... + 77527.
It is an arithmetic number, because the mean of its divisors is an integer number (2785464).
Almost surely, 223831038 is an apocalyptic number.
23831038 is a deficient number, since it is larger than the sum of its proper divisors (20736386).
23831038 is a wasteful number, since it uses less digits than its factorization.
23831038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154767.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 23831038 is about 4881.7044154680. The cubic root of 23831038 is about 287.7714155221.
The spelling of 23831038 in words is "twenty-three million, eight hundred thirty-one thousand, thirty-eight".
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