Base | Representation |
---|---|
bin | 1000001100011110111111 |
3 | 11001010220012 |
4 | 20030132333 |
5 | 1022221122 |
6 | 114013435 |
7 | 24155141 |
oct | 10143677 |
9 | 4033805 |
10 | 2148287 |
11 | 1238049 |
12 | 87727b |
13 | 5a2a9b |
14 | 3dcc91 |
15 | 2c67e2 |
hex | 20c7bf |
2148287 has 2 divisors, whose sum is σ = 2148288. Its totient is φ = 2148286.
The previous prime is 2148241. The next prime is 2148301. The reversal of 2148287 is 7828412.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2148287 - 210 = 2147263 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2148227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074143 + 1074144.
It is an arithmetic number, because the mean of its divisors is an integer number (1074144).
22148287 is an apocalyptic number.
2148287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2148287 is an equidigital number, since it uses as much as digits as its factorization.
2148287 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7168, while the sum is 32.
The square root of 2148287 is about 1465.7035853132. The cubic root of 2148287 is about 129.0320013550.
The spelling of 2148287 in words is "two million, one hundred forty-eight thousand, two hundred eighty-seven".
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