Base | Representation |
---|---|
bin | 101100000101… |
… | …0101001001101 |
3 | 1121111020001222 |
4 | 1120022221031 |
5 | 21404043034 |
6 | 2143213125 |
7 | 400310465 |
oct | 130125115 |
9 | 47436058 |
10 | 23112269 |
11 | 12056654 |
12 | 78a71a5 |
13 | 4a32bcb |
14 | 30d8ba5 |
15 | 206812e |
hex | 160aa4d |
23112269 has 2 divisors, whose sum is σ = 23112270. Its totient is φ = 23112268.
The previous prime is 23112239. The next prime is 23112277. The reversal of 23112269 is 96221132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22705225 + 407044 = 4765^2 + 638^2 .
It is a cyclic number.
It is not a de Polignac number, because 23112269 - 224 = 6335053 is a prime.
It is a super-2 number, since 2×231122692 = 1068353956656722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23112209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556134 + 11556135.
It is an arithmetic number, because the mean of its divisors is an integer number (11556135).
Almost surely, 223112269 is an apocalyptic number.
It is an amenable number.
23112269 is a deficient number, since it is larger than the sum of its proper divisors (1).
23112269 is an equidigital number, since it uses as much as digits as its factorization.
23112269 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1296, while the sum is 26.
The square root of 23112269 is about 4807.5221268342. The cubic root of 23112269 is about 284.8486690184.
The spelling of 23112269 in words is "twenty-three million, one hundred twelve thousand, two hundred sixty-nine".
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