Base | Representation |
---|---|
bin | 1000011100001011101101 |
3 | 11011102002202 |
4 | 20130023231 |
5 | 1031300324 |
6 | 115231245 |
7 | 24543461 |
oct | 10341355 |
9 | 4142082 |
10 | 2212589 |
11 | 1281395 |
12 | 8a8525 |
13 | 5c6132 |
14 | 4184a1 |
15 | 2da8ae |
hex | 21c2ed |
2212589 has 2 divisors, whose sum is σ = 2212590. Its totient is φ = 2212588.
The previous prime is 2212579. The next prime is 2212627. The reversal of 2212589 is 9852122.
2212589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2079364 + 133225 = 1442^2 + 365^2 .
It is a cyclic number.
It is not a de Polignac number, because 2212589 - 28 = 2212333 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2212519) 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, 1106294 + 1106295.
It is an arithmetic number, because the mean of its divisors is an integer number (1106295).
22212589 is an apocalyptic number.
It is an amenable number.
2212589 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212589 is an equidigital number, since it uses as much as digits as its factorization.
2212589 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2880, while the sum is 29.
The square root of 2212589 is about 1487.4773947862. The cubic root of 2212589 is about 130.3067509593.
The spelling of 2212589 in words is "two million, two hundred twelve thousand, five hundred eighty-nine".
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