Base | Representation |
---|---|
bin | 1011111101111… |
… | …1111101100101 |
3 | 10111110110000212 |
4 | 2333133331211 |
5 | 100322403141 |
6 | 4551545205 |
7 | 1146460625 |
oct | 277377545 |
9 | 114413025 |
10 | 50200421 |
11 | 26378357 |
12 | 1498b205 |
13 | a5286bb |
14 | 694a885 |
15 | 46192eb |
hex | 2fdff65 |
50200421 has 16 divisors (see below), whose sum is σ = 54984960. Its totient is φ = 45682560.
The previous prime is 50200417. The next prime is 50200427. The reversal of 50200421 is 12400205.
It is a cyclic number.
It is not a de Polignac number, because 50200421 - 22 = 50200417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50200396 and 50200405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50200427) 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, 48176 + ... + 49206.
It is an arithmetic number, because the mean of its divisors is an integer number (3436560).
Almost surely, 250200421 is an apocalyptic number.
It is an amenable number.
50200421 is a deficient number, since it is larger than the sum of its proper divisors (4784539).
50200421 is a wasteful number, since it uses less digits than its factorization.
50200421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1156.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 50200421 is about 7085.2255433402. The cubic root of 50200421 is about 368.8947318103.
Adding to 50200421 its reverse (12400205), we get a palindrome (62600626).
The spelling of 50200421 in words is "fifty million, two hundred thousand, four hundred twenty-one".
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