Base | Representation |
---|---|
bin | 10011000100110… |
… | …000101010101111 |
3 | 211022011110002021 |
4 | 103010300222233 |
5 | 1123410440043 |
6 | 51431011011 |
7 | 10634040256 |
oct | 2304605257 |
9 | 738143067 |
10 | 320015023 |
11 | 154705029 |
12 | 8b209a67 |
13 | 513b8003 |
14 | 3070379d |
15 | 1d1643ed |
hex | 13130aaf |
320015023 has 2 divisors, whose sum is σ = 320015024. Its totient is φ = 320015022.
The previous prime is 320015011. The next prime is 320015027. The reversal of 320015023 is 320510023.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-320015023 is a prime.
It is a super-2 number, since 2×3200150232 = 204819229891381058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 320014988 and 320015006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (320015027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160007511 + 160007512.
It is an arithmetic number, because the mean of its divisors is an integer number (160007512).
Almost surely, 2320015023 is an apocalyptic number.
320015023 is a deficient number, since it is larger than the sum of its proper divisors (1).
320015023 is an equidigital number, since it uses as much as digits as its factorization.
320015023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 320015023 is about 17888.9637206854. The cubic root of 320015023 is about 684.0010822401.
Adding to 320015023 its reverse (320510023), we get a palindrome (640525046).
The spelling of 320015023 in words is "three hundred twenty million, fifteen thousand, twenty-three".
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