Base | Representation |
---|---|
bin | 1100001000111… |
… | …0001110000101 |
3 | 10112210201010102 |
4 | 3002032032011 |
5 | 101013223211 |
6 | 5015133445 |
7 | 1155522563 |
oct | 302161605 |
9 | 115721112 |
10 | 50914181 |
11 | 2681563a |
12 | 15074285 |
13 | a718546 |
14 | 6a94a33 |
15 | 470aa3b |
hex | 308e385 |
50914181 has 2 divisors, whose sum is σ = 50914182. Its totient is φ = 50914180.
The previous prime is 50914177. The next prime is 50914187. The reversal of 50914181 is 18141905.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25502500 + 25411681 = 5050^2 + 5041^2 .
It is a cyclic number.
It is not a de Polignac number, because 50914181 - 22 = 50914177 is a prime.
It is a super-2 number, since 2×509141812 = 5184507653801522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50914187) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25457090 + 25457091.
It is an arithmetic number, because the mean of its divisors is an integer number (25457091).
Almost surely, 250914181 is an apocalyptic number.
It is an amenable number.
50914181 is a deficient number, since it is larger than the sum of its proper divisors (1).
50914181 is an equidigital number, since it uses as much as digits as its factorization.
50914181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 29.
The square root of 50914181 is about 7135.4173669099. The cubic root of 50914181 is about 370.6348511667.
The spelling of 50914181 in words is "fifty million, nine hundred fourteen thousand, one hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.199 sec. • engine limits •