Base | Representation |
---|---|
bin | 101100010000… |
… | …0110100000001 |
3 | 1121122211122002 |
4 | 1120200310001 |
5 | 21414444243 |
6 | 2145153345 |
7 | 401136305 |
oct | 130406401 |
9 | 47584562 |
10 | 23203073 |
11 | 121088a3 |
12 | 792b855 |
13 | 4a6533a |
14 | 311dd05 |
15 | 2084eb8 |
hex | 1620d01 |
23203073 has 2 divisors, whose sum is σ = 23203074. Its totient is φ = 23203072.
The previous prime is 23203051. The next prime is 23203091. The reversal of 23203073 is 37030232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14010049 + 9193024 = 3743^2 + 3032^2 .
It is a cyclic number.
It is not a de Polignac number, because 23203073 - 216 = 23137537 is a prime.
It is not a weakly prime, because it can be changed into another prime (23209073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601536 + 11601537.
It is an arithmetic number, because the mean of its divisors is an integer number (11601537).
Almost surely, 223203073 is an apocalyptic number.
It is an amenable number.
23203073 is a deficient number, since it is larger than the sum of its proper divisors (1).
23203073 is an equidigital number, since it uses as much as digits as its factorization.
23203073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 20.
The square root of 23203073 is about 4816.9568194037. The cubic root of 23203073 is about 285.2212214892.
The spelling of 23203073 in words is "twenty-three million, two hundred three thousand, seventy-three".
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