Base | Representation |
---|---|
bin | 1010011100110000… |
… | …1110100101010010 |
3 | 21020111002210100112 |
4 | 2213030032211102 |
5 | 21221040004110 |
6 | 1142200521322 |
7 | 126340053053 |
oct | 24714164522 |
9 | 7214083315 |
10 | 2805000530 |
11 | 120a393462 |
12 | 663480242 |
13 | 35918b337 |
14 | 1c876672a |
15 | 1163c6405 |
hex | a730e952 |
2805000530 has 8 divisors (see below), whose sum is σ = 5049000972. Its totient is φ = 1122000208.
The previous prime is 2805000503. The next prime is 2805000547. The reversal of 2805000530 is 350005082.
It can be written as a sum of positive squares in 2 ways, for example, as 2395221481 + 409779049 = 48941^2 + 20243^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2805000496 and 2805000505.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140250017 + ... + 140250036.
Almost surely, 22805000530 is an apocalyptic number.
2805000530 is a deficient number, since it is larger than the sum of its proper divisors (2244000442).
2805000530 is a wasteful number, since it uses less digits than its factorization.
2805000530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280500060.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2805000530 is about 52962.2557110250. The cubic root of 2805000530 is about 1410.2983004836.
The spelling of 2805000530 in words is "two billion, eight hundred five million, five hundred thirty", and thus it is an aban number.
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