Base | Representation |
---|---|
bin | 1000010011010001… |
… | …0101100010010000 |
3 | 12202021221222200210 |
4 | 2010310111202100 |
5 | 14030421442313 |
6 | 1005040244120 |
7 | 106135225023 |
oct | 20464254220 |
9 | 5667858623 |
10 | 2228312208 |
11 | a43907a41 |
12 | 522310640 |
13 | 296865345 |
14 | 171d2b1ba |
15 | d09609c3 |
hex | 84d15890 |
2228312208 has 80 divisors (see below), whose sum is σ = 5965243200. Its totient is φ = 715921920.
The previous prime is 2228312183. The next prime is 2228312263. The reversal of 2228312208 is 8022138222.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153003 + ... + 1154933.
It is an arithmetic number, because the mean of its divisors is an integer number (74565540).
Almost surely, 22228312208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2228312208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2982621600).
2228312208 is an abundant number, since it is smaller than the sum of its proper divisors (3736930992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2228312208 is a wasteful number, since it uses less digits than its factorization.
2228312208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2800 (or 2794 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 2228312208 is about 47205.0019383539. The cubic root of 2228312208 is about 1306.1468674999.
The spelling of 2228312208 in words is "two billion, two hundred twenty-eight million, three hundred twelve thousand, two hundred eight".
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