Base | Representation |
---|---|
bin | 1100000001101… |
… | …0001001110011 |
3 | 10111220112222122 |
4 | 3000122021303 |
5 | 100403020041 |
6 | 5001024455 |
7 | 1151502545 |
oct | 300321163 |
9 | 114815878 |
10 | 50438771 |
11 | 26520439 |
12 | 14a8512b |
13 | a5b0036 |
14 | 69ad695 |
15 | 4664c4b |
hex | 301a273 |
50438771 has 4 divisors (see below), whose sum is σ = 50455944. Its totient is φ = 50421600.
The previous prime is 50438761. The next prime is 50438783. The reversal of 50438771 is 17783405.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17783405 = 5 ⋅3556681.
It is a cyclic number.
It is not a de Polignac number, because 50438771 - 210 = 50437747 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50438741) 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 3 ways as a sum of consecutive naturals, for example, 2945 + ... + 10466.
It is an arithmetic number, because the mean of its divisors is an integer number (12613986).
Almost surely, 250438771 is an apocalyptic number.
50438771 is a deficient number, since it is larger than the sum of its proper divisors (17173).
50438771 is a wasteful number, since it uses less digits than its factorization.
50438771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17172.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 50438771 is about 7102.0258377452. The cubic root of 50438771 is about 369.4776437114.
The spelling of 50438771 in words is "fifty million, four hundred thirty-eight thousand, seven hundred seventy-one".
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