Base | Representation |
---|---|
bin | 1000010001100101… |
… | …0110111110010000 |
3 | 12201210122200201212 |
4 | 2010121112332100 |
5 | 14022114141313 |
6 | 1004224515252 |
7 | 106021141655 |
oct | 20431267620 |
9 | 5653580655 |
10 | 2221240208 |
11 | a3a917710 |
12 | 51ba7bb28 |
13 | 29525a425 |
14 | 171009c2c |
15 | d00153a8 |
hex | 84656f90 |
2221240208 has 40 divisors (see below), whose sum is σ = 4698422496. Its totient is φ = 1008896000.
The previous prime is 2221240199. The next prime is 2221240223. The reversal of 2221240208 is 8020421222.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277835 + ... + 285717.
Almost surely, 22221240208 is an apocalyptic number.
It is an amenable number.
2221240208 is an abundant number, since it is smaller than the sum of its proper divisors (2477182288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221240208 is a wasteful number, since it uses less digits than its factorization.
2221240208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9503 (or 9497 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 2221240208 is about 47130.0350944066. The cubic root of 2221240208 is about 1304.7636292828.
The spelling of 2221240208 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, two hundred eight".
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