Base | Representation |
---|---|
bin | 101100000110… |
… | …1101110000101 |
3 | 1121111212100122 |
4 | 1120031232011 |
5 | 21404443434 |
6 | 2143351325 |
7 | 400362305 |
oct | 130155605 |
9 | 47455318 |
10 | 23124869 |
11 | 12065069 |
12 | 78b2545 |
13 | 4a38871 |
14 | 30dd605 |
15 | 206bc2e |
hex | 160db85 |
23124869 has 2 divisors, whose sum is σ = 23124870. Its totient is φ = 23124868.
The previous prime is 23124863. The next prime is 23124901. The reversal of 23124869 is 96842132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17181025 + 5943844 = 4145^2 + 2438^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23124869 is a prime.
It is a super-2 number, since 2×231248692 = 1069519132534322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23124863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562434 + 11562435.
It is an arithmetic number, because the mean of its divisors is an integer number (11562435).
Almost surely, 223124869 is an apocalyptic number.
It is an amenable number.
23124869 is a deficient number, since it is larger than the sum of its proper divisors (1).
23124869 is an equidigital number, since it uses as much as digits as its factorization.
23124869 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20736, while the sum is 35.
The square root of 23124869 is about 4808.8323946671. The cubic root of 23124869 is about 284.9004227891.
The spelling of 23124869 in words is "twenty-three million, one hundred twenty-four thousand, eight hundred sixty-nine".
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