Base | Representation |
---|---|
bin | 101011111100… |
… | …1111110101101 |
3 | 1121100202102222 |
4 | 1113321332231 |
5 | 21344402023 |
6 | 2141525125 |
7 | 366604466 |
oct | 127717655 |
9 | 47322388 |
10 | 23044013 |
11 | 1200a343 |
12 | 78737a5 |
13 | 4a0ab15 |
14 | 30bbd6d |
15 | 2052cc8 |
hex | 15f9fad |
23044013 has 2 divisors, whose sum is σ = 23044014. Its totient is φ = 23044012.
The previous prime is 23044003. The next prime is 23044033. The reversal of 23044013 is 31044032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16957924 + 6086089 = 4118^2 + 2467^2 .
It is a cyclic number.
It is not a de Polignac number, because 23044013 - 24 = 23043997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23043982 and 23044000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23044003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522006 + 11522007.
It is an arithmetic number, because the mean of its divisors is an integer number (11522007).
Almost surely, 223044013 is an apocalyptic number.
It is an amenable number.
23044013 is a deficient number, since it is larger than the sum of its proper divisors (1).
23044013 is an equidigital number, since it uses as much as digits as its factorization.
23044013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 23044013 is about 4800.4180026327. The cubic root of 23044013 is about 284.5679840168.
Adding to 23044013 its reverse (31044032), we get a palindrome (54088045).
The spelling of 23044013 in words is "twenty-three million, forty-four thousand, thirteen".
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