Base | Representation |
---|---|
bin | 1100000000110… |
… | …1000100111101 |
3 | 10111210211112000 |
4 | 3000031010331 |
5 | 100344311323 |
6 | 4555532513 |
7 | 1151160444 |
oct | 300150475 |
9 | 114724460 |
10 | 50385213 |
11 | 2649417a |
12 | 14a5a139 |
13 | a591848 |
14 | 6997d5b |
15 | 4653e43 |
hex | 300d13d |
50385213 has 16 divisors (see below), whose sum is σ = 74859840. Its totient is φ = 33493392.
The previous prime is 50385211. The next prime is 50385217. The reversal of 50385213 is 31258305.
It is not a de Polignac number, because 50385213 - 21 = 50385211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50385211) 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 15 ways as a sum of consecutive naturals, for example, 7570 + ... + 12572.
It is an arithmetic number, because the mean of its divisors is an integer number (4678740).
Almost surely, 250385213 is an apocalyptic number.
It is an amenable number.
50385213 is a deficient number, since it is larger than the sum of its proper divisors (24474627).
50385213 is a wasteful number, since it uses less digits than its factorization.
50385213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5385 (or 5379 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 50385213 is about 7098.2542219901. The cubic root of 50385213 is about 369.3468217830.
The spelling of 50385213 in words is "fifty million, three hundred eighty-five thousand, two hundred thirteen".
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