Base | Representation |
---|---|
bin | 1011000001101000101101 |
3 | 12102211201121 |
4 | 23001220231 |
5 | 1214442120 |
6 | 141540541 |
7 | 33365326 |
oct | 13015055 |
9 | 5384647 |
10 | 2890285 |
11 | 16a4572 |
12 | b74751 |
13 | 7a2738 |
14 | 55344d |
15 | 3c15aa |
hex | 2c1a2d |
2890285 has 16 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 2157120.
The previous prime is 2890271. The next prime is 2890301. The reversal of 2890285 is 5820982.
2890285 = 202 + 212 + ... + 2052.
It is not a de Polignac number, because 2890285 - 213 = 2882093 is a prime.
2890285 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2890285.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 4816.
It is an arithmetic number, because the mean of its divisors is an integer number (231840).
22890285 is an apocalyptic number.
It is an amenable number.
2890285 is a deficient number, since it is larger than the sum of its proper divisors (819155).
2890285 is a wasteful number, since it uses less digits than its factorization.
2890285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 2890285 is about 1700.0838214629. The cubic root of 2890285 is about 142.4448950781. Note that the first 3 decimals are identical.
The spelling of 2890285 in words is "two million, eight hundred ninety thousand, two hundred eighty-five".
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