Base | Representation |
---|---|
bin | 1011111011011… |
… | …0011101010101 |
3 | 10111010210211120 |
4 | 2332312131111 |
5 | 100301433141 |
6 | 4544154153 |
7 | 1145152200 |
oct | 276663525 |
9 | 114123746 |
10 | 50030421 |
11 | 26271661 |
12 | 14908959 |
13 | a4991cc |
14 | 6904937 |
15 | 45d3c66 |
hex | 2fb6755 |
50030421 has 24 divisors (see below), whose sum is σ = 78014304. Its totient is φ = 28435680.
The previous prime is 50030417. The next prime is 50030437. The reversal of 50030421 is 12403005.
It is not a de Polignac number, because 50030421 - 22 = 50030417 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 50030421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50030821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30211 + ... + 31823.
It is an arithmetic number, because the mean of its divisors is an integer number (3250596).
Almost surely, 250030421 is an apocalyptic number.
It is an amenable number.
50030421 is a deficient number, since it is larger than the sum of its proper divisors (27983883).
50030421 is a wasteful number, since it uses less digits than its factorization.
50030421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1841 (or 1834 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 50030421 is about 7073.2185743125. The cubic root of 50030421 is about 368.4778493313.
Adding to 50030421 its reverse (12403005), we get a palindrome (62433426).
The spelling of 50030421 in words is "fifty million, thirty thousand, four hundred twenty-one".
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