Base | Representation |
---|---|
bin | 1011001111000100000111 |
3 | 12112122011201 |
4 | 23033010013 |
5 | 1223222122 |
6 | 143043331 |
7 | 34014562 |
oct | 13170407 |
9 | 5478151 |
10 | 2945287 |
11 | 1731924 |
12 | ba0547 |
13 | 7c1797 |
14 | 5694d9 |
15 | 3d2a27 |
hex | 2cf107 |
2945287 has 2 divisors, whose sum is σ = 2945288. Its totient is φ = 2945286.
The previous prime is 2945249. The next prime is 2945291. The reversal of 2945287 is 7825492.
2945287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2945287 is a prime.
It is a d-powerful number, because it can be written as 2 + 9 + 47 + 5 + 213 + 87 + 77 .
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2945207) 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, 1472643 + 1472644.
It is an arithmetic number, because the mean of its divisors is an integer number (1472644).
22945287 is an apocalyptic number.
2945287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2945287 is an equidigital number, since it uses as much as digits as its factorization.
2945287 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 40320, while the sum is 37.
The square root of 2945287 is about 1716.1838479604. The cubic root of 2945287 is about 143.3427966830.
The spelling of 2945287 in words is "two million, nine hundred forty-five thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •