Base | Representation |
---|---|
bin | 1011111011010… |
… | …0000110100011 |
3 | 10111010022121011 |
4 | 2332310012203 |
5 | 100301131041 |
6 | 4544041351 |
7 | 1145112103 |
oct | 276640643 |
9 | 114108534 |
10 | 50020771 |
11 | 26265389 |
12 | 14903257 |
13 | a4949b8 |
14 | 6901203 |
15 | 45d0e81 |
hex | 2fb41a3 |
50020771 has 4 divisors (see below), whose sum is σ = 50102200. Its totient is φ = 49939344.
The previous prime is 50020769. The next prime is 50020813. The reversal of 50020771 is 17702005.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17702005 = 5 ⋅3540401.
It is a cyclic number.
It is not a de Polignac number, because 50020771 - 21 = 50020769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50020741) 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, 39786 + ... + 41023.
It is an arithmetic number, because the mean of its divisors is an integer number (12525550).
Almost surely, 250020771 is an apocalyptic number.
50020771 is a deficient number, since it is larger than the sum of its proper divisors (81429).
50020771 is an equidigital number, since it uses as much as digits as its factorization.
50020771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81428.
The product of its (nonzero) digits is 490, while the sum is 22.
The square root of 50020771 is about 7072.5363908572. The cubic root of 50020771 is about 368.4541568138.
Adding to 50020771 its reverse (17702005), we get a palindrome (67722776).
The spelling of 50020771 in words is "fifty million, twenty thousand, seven hundred seventy-one".
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