Base | Representation |
---|---|
bin | 1011111011010… |
… | …0000110011101 |
3 | 10111010022120221 |
4 | 2332310012131 |
5 | 100301131030 |
6 | 4544041341 |
7 | 1145112064 |
oct | 276640635 |
9 | 114108527 |
10 | 50020765 |
11 | 26265383 |
12 | 14903251 |
13 | a4949b2 |
14 | 69011db |
15 | 45d0e7a |
hex | 2fb419d |
50020765 has 4 divisors (see below), whose sum is σ = 60024924. Its totient is φ = 40016608.
The previous prime is 50020757. The next prime is 50020769. The reversal of 50020765 is 56702005.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56702005 = 5 ⋅11340401.
It can be written as a sum of positive squares in 2 ways, for example, as 35868121 + 14152644 = 5989^2 + 3762^2 .
It is a cyclic number.
It is not a de Polignac number, because 50020765 - 23 = 50020757 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50020769) 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, 5002072 + ... + 5002081.
It is an arithmetic number, because the mean of its divisors is an integer number (15006231).
Almost surely, 250020765 is an apocalyptic number.
It is an amenable number.
50020765 is a deficient number, since it is larger than the sum of its proper divisors (10004159).
50020765 is a wasteful number, since it uses less digits than its factorization.
50020765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10004158.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 50020765 is about 7072.5359666813. The cubic root of 50020765 is about 368.4541420817.
The spelling of 50020765 in words is "fifty million, twenty thousand, seven hundred sixty-five".
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