Base | Representation |
---|---|
bin | 1011000001101011110111 |
3 | 12102212000002 |
4 | 23001223313 |
5 | 1214443422 |
6 | 141541515 |
7 | 33366035 |
oct | 13015367 |
9 | 5385002 |
10 | 2890487 |
11 | 16a4736 |
12 | b7489b |
13 | 7a2862 |
14 | 553555 |
15 | 3c1692 |
hex | 2c1af7 |
2890487 has 2 divisors, whose sum is σ = 2890488. Its totient is φ = 2890486.
The previous prime is 2890483. The next prime is 2890499. The reversal of 2890487 is 7840982.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2890487 - 22 = 2890483 is a prime.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 2890487.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2890483) 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, 1445243 + 1445244.
It is an arithmetic number, because the mean of its divisors is an integer number (1445244).
22890487 is an apocalyptic number.
2890487 is a deficient number, since it is larger than the sum of its proper divisors (1).
2890487 is an equidigital number, since it uses as much as digits as its factorization.
2890487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 2890487 is about 1700.1432292604. The cubic root of 2890487 is about 142.4482134589.
The spelling of 2890487 in words is "two million, eight hundred ninety thousand, four hundred eighty-seven".
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