Base | Representation |
---|---|
bin | 101100001100… |
… | …0111111111111 |
3 | 1121121012201211 |
4 | 1120120333333 |
5 | 21412433241 |
6 | 2144345251 |
7 | 400644100 |
oct | 130307777 |
9 | 47535654 |
10 | 23171071 |
11 | 12096850 |
12 | 7915227 |
13 | 4a538c1 |
14 | 31123a7 |
15 | 207a781 |
hex | 1618fff |
23171071 has 12 divisors (see below), whose sum is σ = 29405160. Its totient is φ = 18054960.
The previous prime is 23171059. The next prime is 23171131. The reversal of 23171071 is 17017132.
It is not a de Polignac number, because 23171071 - 25 = 23171039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23171021) 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 11 ways as a sum of consecutive naturals, for example, 20956 + ... + 22033.
It is an arithmetic number, because the mean of its divisors is an integer number (2450430).
Almost surely, 223171071 is an apocalyptic number.
23171071 is a deficient number, since it is larger than the sum of its proper divisors (6234089).
23171071 is a wasteful number, since it uses less digits than its factorization.
23171071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43014 (or 43007 counting only the distinct ones).
The product of its (nonzero) digits is 294, while the sum is 22.
The square root of 23171071 is about 4813.6338664257. The cubic root of 23171071 is about 285.0900341377.
The spelling of 23171071 in words is "twenty-three million, one hundred seventy-one thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •