Base | Representation |
---|---|
bin | 1011111010111… |
… | …1001110100101 |
3 | 10111002022012200 |
4 | 2332233032211 |
5 | 100300011210 |
6 | 4543405113 |
7 | 1144666641 |
oct | 276571645 |
9 | 114068180 |
10 | 50000805 |
11 | 26251388 |
12 | 148b3799 |
13 | a48889a |
14 | 68d7c21 |
15 | 45ca0c0 |
hex | 2faf3a5 |
50000805 has 24 divisors (see below), whose sum is σ = 87443928. Its totient is φ = 26428416.
The previous prime is 50000773. The next prime is 50000813. The reversal of 50000805 is 50800005.
It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 49999041 = 42^2 + 7071^2 .
It is not a de Polignac number, because 50000805 - 25 = 50000773 is a prime.
It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 169 + ... + 10001.
It is an arithmetic number, because the mean of its divisors is an integer number (3643497).
Almost surely, 250000805 is an apocalyptic number.
It is an amenable number.
50000805 is a deficient number, since it is larger than the sum of its proper divisors (37443123).
50000805 is a wasteful number, since it uses less digits than its factorization.
50000805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9957 (or 9954 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 50000805 is about 7071.1247337323. The cubic root of 50000805 is about 368.4051269503.
It can be divided in two parts, 50000 and 805, that added together give a palindrome (50805).
The spelling of 50000805 in words is "fifty million, eight hundred five", and thus it is an aban number.
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