Base | Representation |
---|---|
bin | 1000011111111101010001 |
3 | 11012012022100 |
4 | 20133331101 |
5 | 1032244144 |
6 | 115431013 |
7 | 24636525 |
oct | 10377521 |
9 | 4165270 |
10 | 2228049 |
11 | 1291a6a |
12 | 8b5469 |
13 | 600195 |
14 | 41dd85 |
15 | 2e0269 |
hex | 21ff51 |
2228049 has 12 divisors (see below), whose sum is σ = 3233412. Its totient is φ = 1478400.
The previous prime is 2228027. The next prime is 2228053. The reversal of 2228049 is 9408222.
It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1306449 = 960^2 + 1143^2 .
It is not a de Polignac number, because 2228049 - 211 = 2226001 is a prime.
2228049 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2228089) 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 in 11 ways as a sum of consecutive naturals, for example, 2089 + ... + 2969.
It is an arithmetic number, because the mean of its divisors is an integer number (269451).
22228049 is an apocalyptic number.
It is an amenable number.
2228049 is a deficient number, since it is larger than the sum of its proper divisors (1005363).
2228049 is a wasteful number, since it uses less digits than its factorization.
2228049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1168 (or 1165 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 2228049 is about 1492.6650662490. The cubic root of 2228049 is about 130.6095438165.
The spelling of 2228049 in words is "two million, two hundred twenty-eight thousand, forty-nine".
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