Base | Representation |
---|---|
bin | 101100000100… |
… | …1001101011101 |
3 | 1121110221000111 |
4 | 1120021031131 |
5 | 21403401042 |
6 | 2143130021 |
7 | 400254406 |
oct | 130111535 |
9 | 47427014 |
10 | 23106397 |
11 | 120521a6 |
12 | 78a3911 |
13 | 4a30332 |
14 | 30d69ad |
15 | 2066517 |
hex | 160935d |
23106397 has 2 divisors, whose sum is σ = 23106398. Its totient is φ = 23106396.
The previous prime is 23106379. The next prime is 23106403. The reversal of 23106397 is 79360132.
Together with previous prime (23106379) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16168441 + 6937956 = 4021^2 + 2634^2 .
It is a cyclic number.
It is not a de Polignac number, because 23106397 - 211 = 23104349 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23106197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553198 + 11553199.
It is an arithmetic number, because the mean of its divisors is an integer number (11553199).
Almost surely, 223106397 is an apocalyptic number.
It is an amenable number.
23106397 is a deficient number, since it is larger than the sum of its proper divisors (1).
23106397 is an equidigital number, since it uses as much as digits as its factorization.
23106397 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 23106397 is about 4806.9113784217. The cubic root of 23106397 is about 284.8245436926.
The spelling of 23106397 in words is "twenty-three million, one hundred six thousand, three hundred ninety-seven".
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