Base | Representation |
---|---|
bin | 1001010100010000101111 |
3 | 11121002012002 |
4 | 21110100233 |
5 | 1111123122 |
6 | 124202515 |
7 | 26521241 |
oct | 11242057 |
9 | 4532162 |
10 | 2442287 |
11 | 1418a21 |
12 | 99943b |
13 | 676853 |
14 | 478091 |
15 | 333992 |
hex | 25442f |
2442287 has 2 divisors, whose sum is σ = 2442288. Its totient is φ = 2442286.
The previous prime is 2442263. The next prime is 2442289. The reversal of 2442287 is 7822442.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2442287 is a prime.
Together with 2442289, it forms a pair of twin primes.
It is a Chen prime.
It is a d-powerful number, because it can be written as 27 + 48 + 49 + 29 + 221 + 8 + 75 .
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2442289) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221143 + 1221144.
It is an arithmetic number, because the mean of its divisors is an integer number (1221144).
22442287 is an apocalyptic number.
2442287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2442287 is an equidigital number, since it uses as much as digits as its factorization.
2442287 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7168, while the sum is 29.
The square root of 2442287 is about 1562.7818145858. The cubic root of 2442287 is about 134.6683583369.
The spelling of 2442287 in words is "two million, four hundred forty-two thousand, two hundred eighty-seven".
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