Base | Representation |
---|---|
bin | 1000011011000111100100 |
3 | 11011012010020 |
4 | 20123013210 |
5 | 1031130403 |
6 | 115155140 |
7 | 24524661 |
oct | 10330744 |
9 | 4135106 |
10 | 2208228 |
11 | 1279090 |
12 | 8a5ab0 |
13 | 5c4159 |
14 | 416a68 |
15 | 2d9453 |
hex | 21b1e4 |
2208228 has 24 divisors (see below), whose sum is σ = 5621280. Its totient is φ = 669120.
The previous prime is 2208203. The next prime is 2208229. The reversal of 2208228 is 8228022.
It is a junction number, because it is equal to n+sod(n) for n = 2208198 and 2208207.
It is not an unprimeable number, because it can be changed into a prime (2208229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8233 + ... + 8496.
It is an arithmetic number, because the mean of its divisors is an integer number (234220).
22208228 is an apocalyptic number.
It is an amenable number.
2208228 is an abundant number, since it is smaller than the sum of its proper divisors (3413052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2208228 is a wasteful number, since it uses less digits than its factorization.
2208228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16747 (or 16745 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 2208228 is about 1486.0107671212. The cubic root of 2208228 is about 130.2210833694.
It can be divided in two parts, 220 and 8228, that added together give a palindrome (8448).
The spelling of 2208228 in words is "two million, two hundred eight thousand, two hundred twenty-eight".
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