Base | Representation |
---|---|
bin | 1100000100110… |
… | …0100000001101 |
3 | 10112022000212221 |
4 | 3001030200031 |
5 | 100431120010 |
6 | 5005255341 |
7 | 1153322035 |
oct | 301144015 |
9 | 115260787 |
10 | 50645005 |
11 | 26651384 |
12 | 14b64551 |
13 | a652b78 |
14 | 6a248c5 |
15 | 46a5dda |
hex | 304c80d |
50645005 has 8 divisors (see below), whose sum is σ = 61457400. Its totient is φ = 40060416.
The previous prime is 50644981. The next prime is 50645009. The reversal of 50645005 is 50054605.
It can be written as a sum of positive squares in 4 ways, for example, as 149769 + 50495236 = 387^2 + 7106^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 50645005 - 25 = 50644973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50645009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56460 + ... + 57349.
It is an arithmetic number, because the mean of its divisors is an integer number (7682175).
Almost surely, 250645005 is an apocalyptic number.
It is an amenable number.
50645005 is a deficient number, since it is larger than the sum of its proper divisors (10812395).
50645005 is a wasteful number, since it uses less digits than its factorization.
50645005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113903.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 50645005 is about 7116.5304046284. The cubic root of 50645005 is about 369.9805322116.
The spelling of 50645005 in words is "fifty million, six hundred forty-five thousand, five".
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