Base | Representation |
---|---|
bin | 1100000010101… |
… | …1010111000001 |
3 | 10112001010122221 |
4 | 3000223113001 |
5 | 100412243444 |
6 | 5002331041 |
7 | 1152215200 |
oct | 300532701 |
9 | 115033587 |
10 | 50509249 |
11 | 2656938a |
12 | 14ab9a81 |
13 | a60613b |
14 | 69cb237 |
15 | 467aa84 |
hex | 302b5c1 |
50509249 has 6 divisors (see below), whose sum is σ = 58755714. Its totient is φ = 43293600.
The previous prime is 50509247. The next prime is 50509259. The reversal of 50509249 is 94290505.
It can be written as a sum of positive squares in only one way, i.e., 50481025 + 28224 = 7105^2 + 168^2 .
It is not a de Polignac number, because 50509249 - 21 = 50509247 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50509241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515352 + ... + 515449.
It is an arithmetic number, because the mean of its divisors is an integer number (9792619).
Almost surely, 250509249 is an apocalyptic number.
It is an amenable number.
50509249 is a deficient number, since it is larger than the sum of its proper divisors (8246465).
50509249 is a wasteful number, since it uses less digits than its factorization.
50509249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1030815 (or 1030808 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 34.
The square root of 50509249 is about 7106.9859293515. The cubic root of 50509249 is about 369.6496537590.
The spelling of 50509249 in words is "fifty million, five hundred nine thousand, two hundred forty-nine".
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