Base | Representation |
---|---|
bin | 1011111011011… |
… | …1001001000101 |
3 | 10111010221200021 |
4 | 2332313021011 |
5 | 100302030341 |
6 | 4544215141 |
7 | 1145163310 |
oct | 276671105 |
9 | 114127607 |
10 | 50033221 |
11 | 26273777 |
12 | 1490a4b1 |
13 | a49a574 |
14 | 6905977 |
15 | 45d49d1 |
hex | 2fb7245 |
50033221 has 4 divisors (see below), whose sum is σ = 57180832. Its totient is φ = 42885612.
The previous prime is 50033167. The next prime is 50033293. The reversal of 50033221 is 12233005.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 50033221 - 29 = 50032709 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50033195 and 50033204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50034221) 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, 3573795 + ... + 3573808.
It is an arithmetic number, because the mean of its divisors is an integer number (14295208).
Almost surely, 250033221 is an apocalyptic number.
It is an amenable number.
50033221 is a deficient number, since it is larger than the sum of its proper divisors (7147611).
50033221 is an equidigital number, since it uses as much as digits as its factorization.
50033221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7147610.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 50033221 is about 7073.4165012390. The cubic root of 50033221 is about 368.4847232740.
Adding to 50033221 its reverse (12233005), we get a palindrome (62266226).
The spelling of 50033221 in words is "fifty million, thirty-three thousand, two hundred twenty-one".
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