Base | Representation |
---|---|
bin | 101100000100… |
… | …0111110100001 |
3 | 1121110212201002 |
4 | 1120020332201 |
5 | 21403333231 |
6 | 2143121345 |
7 | 400251542 |
oct | 130107641 |
9 | 47425632 |
10 | 23105441 |
11 | 12051507 |
12 | 78a3255 |
13 | 4a2ca78 |
14 | 30d64c9 |
15 | 20660cb |
hex | 1608fa1 |
23105441 has 2 divisors, whose sum is σ = 23105442. Its totient is φ = 23105440.
The previous prime is 23105437. The next prime is 23105443. The reversal of 23105441 is 14450132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17606416 + 5499025 = 4196^2 + 2345^2 .
It is a cyclic number.
It is not a de Polignac number, because 23105441 - 22 = 23105437 is a prime.
It is a super-2 number, since 2×231054412 = 1067722807608962, which contains 22 as substring.
Together with 23105443, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (23105443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552720 + 11552721.
It is an arithmetic number, because the mean of its divisors is an integer number (11552721).
Almost surely, 223105441 is an apocalyptic number.
It is an amenable number.
23105441 is a deficient number, since it is larger than the sum of its proper divisors (1).
23105441 is an equidigital number, since it uses as much as digits as its factorization.
23105441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 23105441 is about 4806.8119372407. The cubic root of 23105441 is about 284.8206155449.
Adding to 23105441 its reverse (14450132), we get a palindrome (37555573).
The spelling of 23105441 in words is "twenty-three million, one hundred five thousand, four hundred forty-one".
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