Base | Representation |
---|---|
bin | 1011111110111… |
… | …1010010010101 |
3 | 10111120122010121 |
4 | 2333233102111 |
5 | 100331410224 |
6 | 4553151541 |
7 | 1150141624 |
oct | 277572225 |
9 | 114518117 |
10 | 50263189 |
11 | 26410529 |
12 | 149bb5b1 |
13 | a54b142 |
14 | 69656bb |
15 | 462cbe4 |
hex | 2fef495 |
50263189 has 4 divisors (see below), whose sum is σ = 52908640. Its totient is φ = 47617740.
The previous prime is 50263181. The next prime is 50263193. The reversal of 50263189 is 98136205.
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, and also an emirpimes, since its reverse is a distinct semiprime: 98136205 = 5 ⋅19627241.
It is a cyclic number.
It is not a de Polignac number, because 50263189 - 23 = 50263181 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 (50263181) 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, 1322697 + ... + 1322734.
It is an arithmetic number, because the mean of its divisors is an integer number (13227160).
Almost surely, 250263189 is an apocalyptic number.
It is an amenable number.
50263189 is a deficient number, since it is larger than the sum of its proper divisors (2645451).
50263189 is a wasteful number, since it uses less digits than its factorization.
50263189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2645450.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 50263189 is about 7089.6536586776. The cubic root of 50263189 is about 369.0484167147.
The spelling of 50263189 in words is "fifty million, two hundred sixty-three thousand, one hundred eighty-nine".
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