Base | Representation |
---|---|
bin | 1000010011001101… |
… | …0011001001100010 |
3 | 12202021110011200202 |
4 | 2010303103021202 |
5 | 14030334242130 |
6 | 1005030345202 |
7 | 106133013200 |
oct | 20463231142 |
9 | 5667404622 |
10 | 2228040290 |
11 | a43741713 |
12 | 5221bb202 |
13 | 29679b648 |
14 | 171c9a070 |
15 | d090a145 |
hex | 84cd3262 |
2228040290 has 48 divisors (see below), whose sum is σ = 4677636600. Its totient is φ = 761870592.
The previous prime is 2228040257. The next prime is 2228040319. The reversal of 2228040290 is 920408222.
It can be written as a sum of positive squares in 4 ways, for example, as 2084926921 + 143113369 = 45661^2 + 11963^2 .
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 184766 + ... + 196454.
Almost surely, 22228040290 is an apocalyptic number.
2228040290 is an abundant number, since it is smaller than the sum of its proper divisors (2449596310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2228040290 is a wasteful number, since it uses less digits than its factorization.
2228040290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12099 (or 12092 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 2228040290 is about 47202.1216684166. The cubic root of 2228040290 is about 1306.0937362121.
The spelling of 2228040290 in words is "two billion, two hundred twenty-eight million, forty thousand, two hundred ninety".
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