Base | Representation |
---|---|
bin | 1000010100111011110001 |
3 | 11002220101001 |
4 | 20110323301 |
5 | 1024323042 |
6 | 114442001 |
7 | 24361063 |
oct | 10247361 |
9 | 4086331 |
10 | 2182897 |
11 | 1261052 |
12 | 893301 |
13 | 5b5772 |
14 | 40b733 |
15 | 2d1bb7 |
hex | 214ef1 |
2182897 has 2 divisors, whose sum is σ = 2182898. Its totient is φ = 2182896.
The previous prime is 2182877. The next prime is 2182931. The reversal of 2182897 is 7982812.
2182897 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., 2143296 + 39601 = 1464^2 + 199^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2182897 is a prime.
It is a Chen prime.
2182897 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (2182847) 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, 1091448 + 1091449.
It is an arithmetic number, because the mean of its divisors is an integer number (1091449).
22182897 is an apocalyptic number.
It is an amenable number.
2182897 is a deficient number, since it is larger than the sum of its proper divisors (1).
2182897 is an equidigital number, since it uses as much as digits as its factorization.
2182897 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16128, while the sum is 37.
The square root of 2182897 is about 1477.4630283022. The cubic root of 2182897 is about 129.7212369867.
The spelling of 2182897 in words is "two million, one hundred eighty-two thousand, eight hundred ninety-seven".
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