Base | Representation |
---|---|
bin | 1100000000110… |
… | …1001011010101 |
3 | 10111210212002010 |
4 | 3000031023111 |
5 | 100344314441 |
6 | 4555534433 |
7 | 1151161566 |
oct | 300151325 |
9 | 114725063 |
10 | 50385621 |
11 | 26494510 |
12 | 14a5a419 |
13 | a591aa0 |
14 | 699816d |
15 | 4654116 |
hex | 300d2d5 |
50385621 has 32 divisors (see below), whose sum is σ = 79406208. Its totient is φ = 28016640.
The previous prime is 50385619. The next prime is 50385623. The reversal of 50385621 is 12658305.
It is an interprime number because it is at equal distance from previous prime (50385619) and next prime (50385623).
It is not a de Polignac number, because 50385621 - 21 = 50385619 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50385623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110025 + ... + 110481.
It is an arithmetic number, because the mean of its divisors is an integer number (2481444).
Almost surely, 250385621 is an apocalyptic number.
It is an amenable number.
50385621 is a deficient number, since it is larger than the sum of its proper divisors (29020587).
50385621 is a wasteful number, since it uses less digits than its factorization.
50385621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 741.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 50385621 is about 7098.2829613928. The cubic root of 50385621 is about 369.3478187230.
The spelling of 50385621 in words is "fifty million, three hundred eighty-five thousand, six hundred twenty-one".
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