Base | Representation |
---|---|
bin | 1011111110010… |
… | …1011111101001 |
3 | 10111111121010010 |
4 | 2333211133221 |
5 | 100324114311 |
6 | 4552242133 |
7 | 1146613656 |
oct | 277453751 |
9 | 114447103 |
10 | 50223081 |
11 | 26393387 |
12 | 149a0349 |
13 | a535acc |
14 | 6954c2d |
15 | 4620da6 |
hex | 2fe57e9 |
50223081 has 4 divisors (see below), whose sum is σ = 66964112. Its totient is φ = 33482052.
The previous prime is 50223037. The next prime is 50223091. The reversal of 50223081 is 18032205.
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 50223081 - 210 = 50222057 is a prime.
It is a super-2 number, since 2×502230812 = 5044715730265122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50223091) 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, 8370511 + ... + 8370516.
It is an arithmetic number, because the mean of its divisors is an integer number (16741028).
Almost surely, 250223081 is an apocalyptic number.
It is an amenable number.
50223081 is a deficient number, since it is larger than the sum of its proper divisors (16741031).
50223081 is a wasteful number, since it uses less digits than its factorization.
50223081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16741030.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 50223081 is about 7086.8244651607. The cubic root of 50223081 is about 368.9502286702.
Adding to 50223081 its reverse (18032205), we get a palindrome (68255286).
The spelling of 50223081 in words is "fifty million, two hundred twenty-three thousand, eighty-one".
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