Base | Representation |
---|---|
bin | 1011111011101… |
… | …0000100000111 |
3 | 10111011120002121 |
4 | 2332322010013 |
5 | 100302421231 |
6 | 4544350411 |
7 | 1145243230 |
oct | 276720407 |
9 | 114146077 |
10 | 50045191 |
11 | 26281769 |
12 | 14915407 |
13 | a4a2b51 |
14 | 690a087 |
15 | 45d8311 |
hex | 2fba107 |
50045191 has 16 divisors (see below), whose sum is σ = 59373568. Its totient is φ = 41277600.
The previous prime is 50045179. The next prime is 50045231. The reversal of 50045191 is 19154005.
It is not a de Polignac number, because 50045191 - 27 = 50045063 is a prime.
It is a super-2 number, since 2×500451912 = 5009042284452962, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50045591) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45241 + ... + 46333.
It is an arithmetic number, because the mean of its divisors is an integer number (3710848).
Almost surely, 250045191 is an apocalyptic number.
50045191 is a deficient number, since it is larger than the sum of its proper divisors (9328377).
50045191 is a wasteful number, since it uses less digits than its factorization.
50045191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1342.
The product of its (nonzero) digits is 900, while the sum is 25.
The square root of 50045191 is about 7074.2625764103. The cubic root of 50045191 is about 368.5141064874.
Adding to 50045191 its reverse (19154005), we get a palindrome (69199196).
The spelling of 50045191 in words is "fifty million, forty-five thousand, one hundred ninety-one".
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