Base | Representation |
---|---|
bin | 101011101100… |
… | …0110010010001 |
3 | 1121002211221021 |
4 | 1113120302101 |
5 | 21331024144 |
6 | 2134555441 |
7 | 365500213 |
oct | 127306221 |
9 | 47084837 |
10 | 22908049 |
11 | 11a2717a |
12 | 7808b81 |
13 | 4990c78 |
14 | 30845b3 |
15 | 2027884 |
hex | 15d8c91 |
22908049 has 2 divisors, whose sum is σ = 22908050. Its totient is φ = 22908048.
The previous prime is 22908047. The next prime is 22908071. The reversal of 22908049 is 94080922.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14745600 + 8162449 = 3840^2 + 2857^2 .
It is a cyclic number.
It is not a de Polignac number, because 22908049 - 21 = 22908047 is a prime.
Together with 22908047, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (22908047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11454024 + 11454025.
It is an arithmetic number, because the mean of its divisors is an integer number (11454025).
Almost surely, 222908049 is an apocalyptic number.
It is an amenable number.
22908049 is a deficient number, since it is larger than the sum of its proper divisors (1).
22908049 is an equidigital number, since it uses as much as digits as its factorization.
22908049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 22908049 is about 4786.2353682200. The cubic root of 22908049 is about 284.0072115143.
The spelling of 22908049 in words is "twenty-two million, nine hundred eight thousand, forty-nine".
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