Base | Representation |
---|---|
bin | 1000011111110110… |
… | …0000101111000100 |
3 | 12212222012022000100 |
4 | 2013331200233010 |
5 | 14132422032103 |
6 | 1014202444100 |
7 | 110345411466 |
oct | 20775405704 |
9 | 5788168010 |
10 | 2281049028 |
11 | a70657995 |
12 | 537b03630 |
13 | 2a476b36b |
14 | 178d38136 |
15 | d53cb5a3 |
hex | 87f60bc4 |
2281049028 has 72 divisors (see below), whose sum is σ = 6116029920. Its totient is φ = 714804480.
The previous prime is 2281048999. The next prime is 2281049039. The reversal of 2281049028 is 8209401822.
2281049028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2281048983 and 2281049001.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76876 + ... + 102332.
It is an arithmetic number, because the mean of its divisors is an integer number (84944860).
Almost surely, 22281049028 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 2281049028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058014960).
2281049028 is an abundant number, since it is smaller than the sum of its proper divisors (3834980892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2281049028 is a wasteful number, since it uses less digits than its factorization.
2281049028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25617 (or 25612 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 2281049028 is about 47760.3290189672. The cubic root of 2281049028 is about 1316.3706985310.
The spelling of 2281049028 in words is "two billion, two hundred eighty-one million, forty-nine thousand, twenty-eight".
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