Base | Representation |
---|---|
bin | 1000011111110110… |
… | …0110100010100110 |
3 | 12212222020111122000 |
4 | 2013331212202212 |
5 | 14132423312211 |
6 | 1014203150130 |
7 | 110345541015 |
oct | 20775464246 |
9 | 5788214560 |
10 | 2281072806 |
11 | a70673841 |
12 | 537b15346 |
13 | 2a477912c |
14 | 178d42a7c |
15 | d53d3656 |
hex | 87f668a6 |
2281072806 has 32 divisors (see below), whose sum is σ = 5140454400. Its totient is φ = 749647080.
The previous prime is 2281072793. The next prime is 2281072813. The reversal of 2281072806 is 6082701822.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293646 + ... + 301313.
It is an arithmetic number, because the mean of its divisors is an integer number (160639200).
Almost surely, 22281072806 is an apocalyptic number.
2281072806 is an abundant number, since it is smaller than the sum of its proper divisors (2859381594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2281072806 is a wasteful number, since it uses less digits than its factorization.
2281072806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595041 (or 595035 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 2281072806 is about 47760.5779487644. The cubic root of 2281072806 is about 1316.3752725308.
The spelling of 2281072806 in words is "two billion, two hundred eighty-one million, seventy-two thousand, eight hundred six".
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