Base | Representation |
---|---|
bin | 101011111110… |
… | …1010000000101 |
3 | 1121101102211021 |
4 | 1113331100011 |
5 | 21400314123 |
6 | 2142111141 |
7 | 366661531 |
oct | 127752005 |
9 | 47342737 |
10 | 23057413 |
11 | 12019415 |
12 | 787b4b1 |
13 | 4a13c52 |
14 | 30c2bc1 |
15 | 2056c5d |
hex | 15fd405 |
23057413 has 2 divisors, whose sum is σ = 23057414. Its totient is φ = 23057412.
The previous prime is 23057399. The next prime is 23057429. The reversal of 23057413 is 31475032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15864289 + 7193124 = 3983^2 + 2682^2 .
It is a cyclic number.
It is not a de Polignac number, because 23057413 - 217 = 22926341 is a prime.
It is a zygodrome in base 4.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23057453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528706 + 11528707.
It is an arithmetic number, because the mean of its divisors is an integer number (11528707).
Almost surely, 223057413 is an apocalyptic number.
It is an amenable number.
23057413 is a deficient number, since it is larger than the sum of its proper divisors (1).
23057413 is an equidigital number, since it uses as much as digits as its factorization.
23057413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 23057413 is about 4801.8135115808. The cubic root of 23057413 is about 284.6231317046.
The spelling of 23057413 in words is "twenty-three million, fifty-seven thousand, four hundred thirteen".
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