Base | Representation |
---|---|
bin | 1000010101000000010101 |
3 | 11002220202212 |
4 | 20111000111 |
5 | 1024330224 |
6 | 114443205 |
7 | 24361661 |
oct | 10250025 |
9 | 4086685 |
10 | 2183189 |
11 | 1261298 |
12 | 893505 |
13 | 5b5938 |
14 | 40b8a1 |
15 | 2d1d0e |
hex | 215015 |
2183189 has 2 divisors, whose sum is σ = 2183190. Its totient is φ = 2183188.
The previous prime is 2183171. The next prime is 2183201. The reversal of 2183189 is 9813812.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1582564 + 600625 = 1258^2 + 775^2 .
It is a cyclic number.
It is not a de Polignac number, because 2183189 - 216 = 2117653 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2183789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091594 + 1091595.
It is an arithmetic number, because the mean of its divisors is an integer number (1091595).
22183189 is an apocalyptic number.
It is an amenable number.
2183189 is a deficient number, since it is larger than the sum of its proper divisors (1).
2183189 is an equidigital number, since it uses as much as digits as its factorization.
2183189 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 32.
The square root of 2183189 is about 1477.5618430374. The cubic root of 2183189 is about 129.7270208773.
The spelling of 2183189 in words is "two million, one hundred eighty-three thousand, one hundred eighty-nine".
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