Base | Representation |
---|---|
bin | 1011000001101010000001 |
3 | 12102211211201 |
4 | 23001222001 |
5 | 1214442434 |
6 | 141541201 |
7 | 33365506 |
oct | 13015201 |
9 | 5384751 |
10 | 2890369 |
11 | 16a4639 |
12 | b74801 |
13 | 7a27a1 |
14 | 5534ad |
15 | 3c1614 |
hex | 2c1a81 |
2890369 has 2 divisors, whose sum is σ = 2890370. Its totient is φ = 2890368.
The previous prime is 2890319. The next prime is 2890379. The reversal of 2890369 is 9630982.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1723969 + 1166400 = 1313^2 + 1080^2 .
It is a cyclic number.
It is not a de Polignac number, because 2890369 - 211 = 2888321 is a prime.
It is a super-2 number, since 2×28903692 = 16708465912322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2890319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445184 + 1445185.
It is an arithmetic number, because the mean of its divisors is an integer number (1445185).
22890369 is an apocalyptic number.
It is an amenable number.
2890369 is a deficient number, since it is larger than the sum of its proper divisors (1).
2890369 is an equidigital number, since it uses as much as digits as its factorization.
2890369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 2890369 is about 1700.1085259477. The cubic root of 2890369 is about 142.4462750176.
The spelling of 2890369 in words is "two million, eight hundred ninety thousand, three hundred sixty-nine".
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