Base | Representation |
---|---|
bin | 110000000101101… |
… | …101100111100010 |
3 | 2002020010212221100 |
4 | 300011231213202 |
5 | 3123020211223 |
6 | 212020335230 |
7 | 25664502033 |
oct | 6005554742 |
9 | 2066125840 |
10 | 806803938 |
11 | 384468816 |
12 | 1a6244516 |
13 | cb1c5aa5 |
14 | 7921aa8a |
15 | 4ac6d043 |
hex | 3016d9e2 |
806803938 has 12 divisors (see below), whose sum is σ = 1748075238. Its totient is φ = 268934640.
The previous prime is 806803931. The next prime is 806803951. The reversal of 806803938 is 839308608.
It can be written as a sum of positive squares in only one way, i.e., 756635049 + 50168889 = 27507^2 + 7083^2 .
It is a junction number, because it is equal to n+sod(n) for n = 806803893 and 806803902.
It is not an unprimeable number, because it can be changed into a prime (806803931) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22411203 + ... + 22411238.
Almost surely, 2806803938 is an apocalyptic number.
806803938 is an abundant number, since it is smaller than the sum of its proper divisors (941271300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
806803938 is a wasteful number, since it uses less digits than its factorization.
806803938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44822449 (or 44822446 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 806803938 is about 28404.2943584240. The cubic root of 806803938 is about 930.9420977010.
The spelling of 806803938 in words is "eight hundred six million, eight hundred three thousand, nine hundred thirty-eight".
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