Base | Representation |
---|---|
bin | 1011111110010… |
… | …0001011000101 |
3 | 10111111022200200 |
4 | 2333210023011 |
5 | 100323431134 |
6 | 4552201113 |
7 | 1146562125 |
oct | 277441305 |
9 | 114438620 |
10 | 50217669 |
11 | 2638a307 |
12 | 14999199 |
13 | a5334c8 |
14 | 6952c85 |
15 | 461e499 |
hex | 2fe42c5 |
50217669 has 6 divisors (see below), whose sum is σ = 72536646. Its totient is φ = 33478440.
The previous prime is 50217653. The next prime is 50217697. The reversal of 50217669 is 96671205.
It can be written as a sum of positive squares in only one way, i.e., 44756100 + 5461569 = 6690^2 + 2337^2 .
It is not a de Polignac number, because 50217669 - 24 = 50217653 is a prime.
It is a super-2 number, since 2×502176692 = 5043628559587122, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50219669) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2789862 + ... + 2789879.
It is an arithmetic number, because the mean of its divisors is an integer number (12089441).
Almost surely, 250217669 is an apocalyptic number.
It is an amenable number.
50217669 is a deficient number, since it is larger than the sum of its proper divisors (22318977).
50217669 is a wasteful number, since it uses less digits than its factorization.
50217669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5579747 (or 5579744 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 50217669 is about 7086.4426195377. The cubic root of 50217669 is about 368.9369755979.
The spelling of 50217669 in words is "fifty million, two hundred seventeen thousand, six hundred sixty-nine".
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