Base | Representation |
---|---|
bin | 1011111101011… |
… | …1000010010111 |
3 | 10111101120212212 |
4 | 2333113002113 |
5 | 100320220423 |
6 | 4551104035 |
7 | 1146246221 |
oct | 277270227 |
9 | 114346785 |
10 | 50163863 |
11 | 26352942 |
12 | 1497201b |
13 | a514b79 |
14 | 693b411 |
15 | 460d578 |
hex | 2fd7097 |
50163863 has 4 divisors (see below), whose sum is σ = 50253528. Its totient is φ = 50074200.
The previous prime is 50163853. The next prime is 50163887. The reversal of 50163863 is 36836105.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36836105 = 5 ⋅7367221.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50163863 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50163853) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43988 + ... + 45113.
It is an arithmetic number, because the mean of its divisors is an integer number (12563382).
Almost surely, 250163863 is an apocalyptic number.
50163863 is a deficient number, since it is larger than the sum of its proper divisors (89665).
50163863 is an equidigital number, since it uses as much as digits as its factorization.
50163863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89664.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 50163863 is about 7082.6451979469. The cubic root of 50163863 is about 368.8051619862.
Adding to 50163863 its reverse (36836105), we get a palindrome (86999968).
The spelling of 50163863 in words is "fifty million, one hundred sixty-three thousand, eight hundred sixty-three".
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