Base | Representation |
---|---|
bin | 1000110001010000001001 |
3 | 11022210111001 |
4 | 20301100021 |
5 | 1042031024 |
6 | 121135001 |
7 | 25353205 |
oct | 10612011 |
9 | 4283431 |
10 | 2298889 |
11 | 133020a |
12 | 92a461 |
13 | 6264b8 |
14 | 43bb05 |
15 | 306244 |
hex | 231409 |
2298889 has 2 divisors, whose sum is σ = 2298890. Its totient is φ = 2298888.
The previous prime is 2298887. The next prime is 2298937. The reversal of 2298889 is 9888922.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1227664 + 1071225 = 1108^2 + 1035^2 .
It is a cyclic number.
It is not a de Polignac number, because 2298889 - 21 = 2298887 is a prime.
Together with 2298887, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2298887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149444 + 1149445.
It is an arithmetic number, because the mean of its divisors is an integer number (1149445).
22298889 is an apocalyptic number.
It is an amenable number.
2298889 is a deficient number, since it is larger than the sum of its proper divisors (1).
2298889 is an equidigital number, since it uses as much as digits as its factorization.
2298889 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 165888, while the sum is 46.
The square root of 2298889 is about 1516.2087587137. The cubic root of 2298889 is about 131.9793547449.
The spelling of 2298889 in words is "two million, two hundred ninety-eight thousand, eight hundred eighty-nine".
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