Base | Representation |
---|---|
bin | 1011111111100… |
… | …1000100110111 |
3 | 10111122200010201 |
4 | 2333321010313 |
5 | 100334201122 |
6 | 4554101331 |
7 | 1150366546 |
oct | 277710467 |
9 | 114580121 |
10 | 50303287 |
11 | 26438671 |
12 | 14a1a847 |
13 | a563478 |
14 | 697615d |
15 | 4639a27 |
hex | 2ff9137 |
50303287 has 4 divisors (see below), whose sum is σ = 51011856. Its totient is φ = 49594720.
The previous prime is 50303273. The next prime is 50303299. The reversal of 50303287 is 78230305.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78230305 = 5 ⋅15646061.
It is a cyclic number.
It is not a de Polignac number, because 50303287 - 211 = 50301239 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 (50303237) 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, 354178 + ... + 354319.
It is an arithmetic number, because the mean of its divisors is an integer number (12752964).
Almost surely, 250303287 is an apocalyptic number.
50303287 is a deficient number, since it is larger than the sum of its proper divisors (708569).
50303287 is an equidigital number, since it uses as much as digits as its factorization.
50303287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 708568.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 50303287 is about 7092.4810186563. The cubic root of 50303287 is about 369.1465280784.
The spelling of 50303287 in words is "fifty million, three hundred three thousand, two hundred eighty-seven".
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