Base | Representation |
---|---|
bin | 1001000011000110… |
… | …0010110110001001 |
3 | 20021021102020212102 |
4 | 2100301202312021 |
5 | 14433300010024 |
6 | 1041003523145 |
7 | 114122240123 |
oct | 22061426611 |
9 | 6237366772 |
10 | 2428906889 |
11 | 1037066772 |
12 | 5795294b5 |
13 | 2c929a216 |
14 | 190826213 |
15 | e33861ae |
hex | 90c62d89 |
2428906889 has 2 divisors, whose sum is σ = 2428906890. Its totient is φ = 2428906888.
The previous prime is 2428906859. The next prime is 2428906993. The reversal of 2428906889 is 9886098242.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2277198400 + 151708489 = 47720^2 + 12317^2 .
It is a cyclic number.
It is not a de Polignac number, because 2428906889 - 28 = 2428906633 is a prime.
It is not a weakly prime, because it can be changed into another prime (2428906849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214453444 + 1214453445.
It is an arithmetic number, because the mean of its divisors is an integer number (1214453445).
Almost surely, 22428906889 is an apocalyptic number.
It is an amenable number.
2428906889 is a deficient number, since it is larger than the sum of its proper divisors (1).
2428906889 is an equidigital number, since it uses as much as digits as its factorization.
2428906889 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3981312, while the sum is 56.
The square root of 2428906889 is about 49283.9414921331. The cubic root of 2428906889 is about 1344.2198022574.
The spelling of 2428906889 in words is "two billion, four hundred twenty-eight million, nine hundred six thousand, eight hundred eighty-nine".
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