Base | Representation |
---|---|
bin | 101100001111… |
… | …0101001110111 |
3 | 1121122101111121 |
4 | 1120132221313 |
5 | 21414203411 |
6 | 2145044411 |
7 | 401101444 |
oct | 130365167 |
9 | 47571447 |
10 | 23194231 |
11 | 12102195 |
12 | 7926707 |
13 | 4a612c8 |
14 | 311a9cb |
15 | 2082571 |
hex | 161ea77 |
23194231 has 16 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 20835360.
The previous prime is 23194207. The next prime is 23194253. The reversal of 23194231 is 13249132.
It is not a de Polignac number, because 23194231 - 29 = 23193719 is a prime.
It is a super-2 number, since 2×231942312 = 1075944703362722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23194196 and 23194205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23194271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30846 + ... + 31588.
It is an arithmetic number, because the mean of its divisors is an integer number (1607040).
Almost surely, 223194231 is an apocalyptic number.
23194231 is a deficient number, since it is larger than the sum of its proper divisors (2518409).
23194231 is a wasteful number, since it uses less digits than its factorization.
23194231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846.
The product of its digits is 1296, while the sum is 25.
The square root of 23194231 is about 4816.0389325669. The cubic root of 23194231 is about 285.1849871155.
The spelling of 23194231 in words is "twenty-three million, one hundred ninety-four thousand, two hundred thirty-one".
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