Base | Representation |
---|---|
bin | 1000011011000111110101 |
3 | 11011012010212 |
4 | 20123013311 |
5 | 1031130440 |
6 | 115155205 |
7 | 24525014 |
oct | 10330765 |
9 | 4135125 |
10 | 2208245 |
11 | 12790a6 |
12 | 8a5b05 |
13 | 5c4170 |
14 | 416a7b |
15 | 2d9465 |
hex | 21b1f5 |
2208245 has 16 divisors (see below), whose sum is σ = 2912112. Its totient is φ = 1597440.
The previous prime is 2208229. The next prime is 2208257. The reversal of 2208245 is 5428022.
It can be written as a sum of positive squares in 8 ways, for example, as 14884 + 2193361 = 122^2 + 1481^2 .
It is not a de Polignac number, because 2208245 - 24 = 2208229 is a prime.
It is a d-powerful number, because it can be written as 27 + 215 + 0 + 8 + 221 + 43 + 57 .
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2208245.
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, 3125 + ... + 3765.
It is an arithmetic number, because the mean of its divisors is an integer number (182007).
22208245 is an apocalyptic number.
It is an amenable number.
2208245 is a deficient number, since it is larger than the sum of its proper divisors (703867).
2208245 is a wasteful number, since it uses less digits than its factorization.
2208245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712.
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 2208245 is about 1486.0164871225. The cubic root of 2208245 is about 130.2214175367.
The spelling of 2208245 in words is "two million, two hundred eight thousand, two hundred forty-five".
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