Base | Representation |
---|---|
bin | 1011111111010… |
… | …1110001101001 |
3 | 10111121222121001 |
4 | 2333311301221 |
5 | 100333233034 |
6 | 4553515001 |
7 | 1150312255 |
oct | 277656151 |
9 | 114558531 |
10 | 50289769 |
11 | 264294a2 |
12 | 14a12a61 |
13 | a55a27a |
14 | 6971265 |
15 | 4635a14 |
hex | 2ff5c69 |
50289769 has 4 divisors (see below), whose sum is σ = 50610244. Its totient is φ = 49969296.
The previous prime is 50289763. The next prime is 50289779. The reversal of 50289769 is 96798205.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26132544 + 24157225 = 5112^2 + 4915^2 .
It is a cyclic number.
It is not a de Polignac number, because 50289769 - 23 = 50289761 is a prime.
It is a super-2 number, since 2×502897692 = 5058121732146722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50289761) 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, 160002 + ... + 160315.
It is an arithmetic number, because the mean of its divisors is an integer number (12652561).
Almost surely, 250289769 is an apocalyptic number.
It is an amenable number.
50289769 is a deficient number, since it is larger than the sum of its proper divisors (320475).
50289769 is a wasteful number, since it uses less digits than its factorization.
50289769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320474.
The product of its (nonzero) digits is 272160, while the sum is 46.
The square root of 50289769 is about 7091.5279735752. The cubic root of 50289769 is about 369.1134582061.
The spelling of 50289769 in words is "fifty million, two hundred eighty-nine thousand, seven hundred sixty-nine".
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