Base | Representation |
---|---|
bin | 1011111110101… |
… | …0010111001011 |
3 | 10111112121110120 |
4 | 2333222113023 |
5 | 100330234034 |
6 | 4552514323 |
7 | 1150026051 |
oct | 277522713 |
9 | 114477416 |
10 | 50243019 |
11 | 263a7362 |
12 | 149ab9a3 |
13 | a541bc8 |
14 | 695c1d1 |
15 | 4626c49 |
hex | 2fea5cb |
50243019 has 4 divisors (see below), whose sum is σ = 66990696. Its totient is φ = 33495344.
The previous prime is 50243009. The next prime is 50243021. The reversal of 50243019 is 91034205.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 50243019 - 25 = 50242987 is a prime.
It is a super-2 number, since 2×502430192 = 5048721916468722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 50243019.
It is not an unprimeable number, because it can be changed into a prime (50243009) 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, 8373834 + ... + 8373839.
It is an arithmetic number, because the mean of its divisors is an integer number (16747674).
Almost surely, 250243019 is an apocalyptic number.
50243019 is a deficient number, since it is larger than the sum of its proper divisors (16747677).
50243019 is a wasteful number, since it uses less digits than its factorization.
50243019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16747676.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 50243019 is about 7088.2310205015. The cubic root of 50243019 is about 368.9990452454. Note that the first 3 decimals are identical.
The spelling of 50243019 in words is "fifty million, two hundred forty-three thousand, nineteen".
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