Base | Representation |
---|---|
bin | 1011111101110… |
… | …0010011111101 |
3 | 10111102200112002 |
4 | 2333130103331 |
5 | 100321413334 |
6 | 4551352045 |
7 | 1146366215 |
oct | 277342375 |
9 | 114380462 |
10 | 50185469 |
11 | 263680a4 |
12 | 14982625 |
13 | a521959 |
14 | 6945245 |
15 | 4614b7e |
hex | 2fdc4fd |
50185469 has 4 divisors (see below), whose sum is σ = 50202396. Its totient is φ = 50168544.
The previous prime is 50185463. The next prime is 50185477. The reversal of 50185469 is 96458105.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96458105 = 5 ⋅19291621.
It can be written as a sum of positive squares in 2 ways, for example, as 29300569 + 20884900 = 5413^2 + 4570^2 .
It is a cyclic number.
It is not a de Polignac number, because 50185469 - 216 = 50119933 is a prime.
It is a super-2 number, since 2×501854692 = 5037162597499922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50185463) 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, 2714 + ... + 10379.
It is an arithmetic number, because the mean of its divisors is an integer number (12550599).
Almost surely, 250185469 is an apocalyptic number.
It is an amenable number.
50185469 is a deficient number, since it is larger than the sum of its proper divisors (16927).
50185469 is a wasteful number, since it uses less digits than its factorization.
50185469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16926.
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 50185469 is about 7084.1703113350. The cubic root of 50185469 is about 368.8581035535.
The spelling of 50185469 in words is "fifty million, one hundred eighty-five thousand, four hundred sixty-nine".
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