Base | Representation |
---|---|
bin | 1011111100111… |
… | …1001110001101 |
3 | 10111022221222022 |
4 | 2333033032031 |
5 | 100313204403 |
6 | 4550255525 |
7 | 1146054002 |
oct | 277171615 |
9 | 114287868 |
10 | 50131853 |
11 | 26330892 |
12 | 149575a5 |
13 | a503425 |
14 | 692d8a9 |
15 | 4603d38 |
hex | 2fcf38d |
50131853 has 4 divisors (see below), whose sum is σ = 50526720. Its totient is φ = 49736988.
The previous prime is 50131847. The next prime is 50131871. The reversal of 50131853 is 35813105.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 50131853 - 214 = 50115469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50131153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197243 + ... + 197496.
It is an arithmetic number, because the mean of its divisors is an integer number (12631680).
Almost surely, 250131853 is an apocalyptic number.
It is an amenable number.
50131853 is a deficient number, since it is larger than the sum of its proper divisors (394867).
50131853 is a wasteful number, since it uses less digits than its factorization.
50131853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394866.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 50131853 is about 7080.3850883974. The cubic root of 50131853 is about 368.7266993608.
Adding to 50131853 its reverse (35813105), we get a palindrome (85944958).
The spelling of 50131853 in words is "fifty million, one hundred thirty-one thousand, eight hundred fifty-three".
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