Base | Representation |
---|---|
bin | 101100010011… |
… | …1000111100001 |
3 | 1121201011001112 |
4 | 1120213013201 |
5 | 21421311042 |
6 | 2145513105 |
7 | 401304506 |
oct | 130470741 |
9 | 47634045 |
10 | 23228897 |
11 | 1212623a |
12 | 7942795 |
13 | 4a74013 |
14 | 31294ad |
15 | 208c982 |
hex | 16271e1 |
23228897 has 2 divisors, whose sum is σ = 23228898. Its totient is φ = 23228896.
The previous prime is 23228839. The next prime is 23228899. The reversal of 23228897 is 79882232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12931216 + 10297681 = 3596^2 + 3209^2 .
It is a cyclic number.
It is not a de Polignac number, because 23228897 - 212 = 23224801 is a prime.
Together with 23228899, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (23228899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11614448 + 11614449.
It is an arithmetic number, because the mean of its divisors is an integer number (11614449).
Almost surely, 223228897 is an apocalyptic number.
It is an amenable number.
23228897 is a deficient number, since it is larger than the sum of its proper divisors (1).
23228897 is an equidigital number, since it uses as much as digits as its factorization.
23228897 is an evil number, because the sum of its binary digits is even.
The product of its digits is 96768, while the sum is 41.
The square root of 23228897 is about 4819.6366045585. The cubic root of 23228897 is about 285.3269951511.
The spelling of 23228897 in words is "twenty-three million, two hundred twenty-eight thousand, eight hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •