Base | Representation |
---|---|
bin | 101011110111… |
… | …1011001110001 |
3 | 1121021120000101 |
4 | 1113233121301 |
5 | 21342010224 |
6 | 2140552401 |
7 | 366334255 |
oct | 127573161 |
9 | 47246011 |
10 | 23000689 |
11 | 11a8a838 |
12 | 7852701 |
13 | 49c419a |
14 | 30aa265 |
15 | 2045044 |
hex | 15ef671 |
23000689 has 2 divisors, whose sum is σ = 23000690. Its totient is φ = 23000688.
The previous prime is 23000647. The next prime is 23000699. The reversal of 23000689 is 98600032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16136289 + 6864400 = 4017^2 + 2620^2 .
It is a cyclic number.
It is not a de Polignac number, because 23000689 - 211 = 22998641 is a prime.
It is not a weakly prime, because it can be changed into another prime (23000639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500344 + 11500345.
It is an arithmetic number, because the mean of its divisors is an integer number (11500345).
Almost surely, 223000689 is an apocalyptic number.
It is an amenable number.
23000689 is a deficient number, since it is larger than the sum of its proper divisors (1).
23000689 is an equidigital number, since it uses as much as digits as its factorization.
23000689 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 23000689 is about 4795.9033559904. The cubic root of 23000689 is about 284.3895377022.
The spelling of 23000689 in words is "twenty-three million, six hundred eighty-nine", and thus it is an aban number.
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