Base | Representation |
---|---|
bin | 1000011111111111110100 |
3 | 11012012112101 |
4 | 20133333310 |
5 | 1032300322 |
6 | 115431444 |
7 | 24640150 |
oct | 10377764 |
9 | 4165471 |
10 | 2228212 |
11 | 12920a8 |
12 | 8b5584 |
13 | 60028c |
14 | 420060 |
15 | 2e0327 |
hex | 21fff4 |
2228212 has 12 divisors (see below), whose sum is σ = 4456480. Its totient is φ = 954936.
The previous prime is 2228209. The next prime is 2228221. The reversal of 2228212 is 2128222.
2228212 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 2228212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39762 + ... + 39817.
22228212 is an apocalyptic number.
It is an amenable number.
2228212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2228212 is a wasteful number, since it uses less digits than its factorization.
2228212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79590 (or 79588 counting only the distinct ones).
The product of its digits is 256, while the sum is 19.
The square root of 2228212 is about 1492.7196655769. The cubic root of 2228212 is about 130.6127287909.
The spelling of 2228212 in words is "two million, two hundred twenty-eight thousand, two hundred twelve".
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