Base | Representation |
---|---|
bin | 101011111110… |
… | …1001110110011 |
3 | 1121101102201020 |
4 | 1113331032303 |
5 | 21400313311 |
6 | 2142110523 |
7 | 366661353 |
oct | 127751663 |
9 | 47342636 |
10 | 23057331 |
11 | 12019350 |
12 | 787b443 |
13 | 4a13bbb |
14 | 30c2b63 |
15 | 2056c06 |
hex | 15fd3b3 |
23057331 has 16 divisors (see below), whose sum is σ = 34320000. Its totient is φ = 13648320.
The previous prime is 23057299. The next prime is 23057341. The reversal of 23057331 is 13375032.
It is not a de Polignac number, because 23057331 - 25 = 23057299 is a prime.
It is a super-2 number, since 2×230573312 = 1063281025687122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23057341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6706 + ... + 9543.
It is an arithmetic number, because the mean of its divisors is an integer number (2145000).
Almost surely, 223057331 is an apocalyptic number.
23057331 is a deficient number, since it is larger than the sum of its proper divisors (11262669).
23057331 is a wasteful number, since it uses less digits than its factorization.
23057331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16306.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 23057331 is about 4801.8049731325. The cubic root of 23057331 is about 284.6227942987.
The spelling of 23057331 in words is "twenty-three million, fifty-seven thousand, three hundred thirty-one".
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