Base | Representation |
---|---|
bin | 1100000111010… |
… | …1000110101011 |
3 | 10112121111000021 |
4 | 3001311012223 |
5 | 101001430212 |
6 | 5013021311 |
7 | 1154613631 |
oct | 301650653 |
9 | 115544007 |
10 | 50811307 |
11 | 26755318 |
12 | 15024837 |
13 | a6b0781 |
14 | 6a69351 |
15 | 46da307 |
hex | 30751ab |
50811307 has 4 divisors (see below), whose sum is σ = 50898456. Its totient is φ = 50724160.
The previous prime is 50811289. The next prime is 50811329. The reversal of 50811307 is 70311805.
50811307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 50811307 - 211 = 50809259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50811367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42694 + ... + 43867.
It is an arithmetic number, because the mean of its divisors is an integer number (12724614).
Almost surely, 250811307 is an apocalyptic number.
50811307 is a deficient number, since it is larger than the sum of its proper divisors (87149).
50811307 is an equidigital number, since it uses as much as digits as its factorization.
50811307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87148.
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 50811307 is about 7128.2050335270. The cubic root of 50811307 is about 370.3850556746.
The spelling of 50811307 in words is "fifty million, eight hundred eleven thousand, three hundred seven".
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