Base | Representation |
---|---|
bin | 110101111000111… |
… | …0110000110001100 |
3 | 11200000111112112010 |
4 | 1223301312012030 |
5 | 12200401304443 |
6 | 455232341220 |
7 | 62544455634 |
oct | 15361660614 |
9 | 4600445463 |
10 | 1808228748 |
11 | 848775027 |
12 | 4256a4810 |
13 | 22a811651 |
14 | 1322196c4 |
15 | a8b31733 |
hex | 6bc7618c |
1808228748 has 24 divisors (see below), whose sum is σ = 4220041840. Its totient is φ = 602622720.
The previous prime is 1808228731. The next prime is 1808228797. The reversal of 1808228748 is 8478228081.
1808228748 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 1808228697 and 1808228706.
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, 64488 + ... + 88176.
Almost surely, 21808228748 is an apocalyptic number.
It is an amenable number.
1808228748 is an abundant number, since it is smaller than the sum of its proper divisors (2411813092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1808228748 is a wasteful number, since it uses less digits than its factorization.
1808228748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30057 (or 30055 counting only the distinct ones).
The product of its (nonzero) digits is 458752, while the sum is 48.
The square root of 1808228748 is about 42523.2730160791. The cubic root of 1808228748 is about 1218.2912448175.
The spelling of 1808228748 in words is "one billion, eight hundred eight million, two hundred twenty-eight thousand, seven hundred forty-eight".
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