Base | Representation |
---|---|
bin | 1011111101001… |
… | …0001001110111 |
3 | 10111100120110010 |
4 | 2333102021313 |
5 | 100314100423 |
6 | 4550431303 |
7 | 1146134010 |
oct | 277221167 |
9 | 114316403 |
10 | 50143863 |
11 | 26339910 |
12 | 14962533 |
13 | a508a33 |
14 | 6934007 |
15 | 4607693 |
hex | 2fd2277 |
50143863 has 48 divisors (see below), whose sum is σ = 89047296. Its totient is φ = 24299520.
The previous prime is 50143837. The next prime is 50143867. The reversal of 50143863 is 36834105.
It is not a de Polignac number, because 50143863 - 29 = 50143351 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 50143863.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50143867) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443695 + ... + 443807.
It is an arithmetic number, because the mean of its divisors is an integer number (1855152).
Almost surely, 250143863 is an apocalyptic number.
50143863 is a deficient number, since it is larger than the sum of its proper divisors (38903433).
50143863 is a wasteful number, since it uses less digits than its factorization.
50143863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 50143863 is about 7081.2331553198. The cubic root of 50143863 is about 368.7561420791.
Adding to 50143863 its reverse (36834105), we get a palindrome (86977968).
It can be divided in two parts, 501438 and 63, that added together give a triangular number (501501 = T1001).
The spelling of 50143863 in words is "fifty million, one hundred forty-three thousand, eight hundred sixty-three".
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