Base | Representation |
---|---|
bin | 1011111101110… |
… | …0010000001001 |
3 | 10111102200012001 |
4 | 2333130100021 |
5 | 100321411400 |
6 | 4551351001 |
7 | 1146365416 |
oct | 277342011 |
9 | 114380161 |
10 | 50185225 |
11 | 263679a2 |
12 | 14982461 |
13 | a5217cc |
14 | 694510d |
15 | 4614a6a |
hex | 2fdc409 |
50185225 has 12 divisors (see below), whose sum is σ = 64376460. Its totient is φ = 38763200.
The previous prime is 50185199. The next prime is 50185229. The reversal of 50185225 is 52258105.
50185225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 1408969 + 48776256 = 1187^2 + 6984^2 .
It is not a de Polignac number, because 50185225 - 27 = 50185097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 50185193 and 50185202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50185229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33886 + ... + 35335.
It is an arithmetic number, because the mean of its divisors is an integer number (5364705).
Almost surely, 250185225 is an apocalyptic number.
It is an amenable number.
50185225 is a deficient number, since it is larger than the sum of its proper divisors (14191235).
50185225 is a wasteful number, since it uses less digits than its factorization.
50185225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69260 (or 69255 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 28.
The square root of 50185225 is about 7084.1530898196. The cubic root of 50185225 is about 368.8575057608.
The spelling of 50185225 in words is "fifty million, one hundred eighty-five thousand, two hundred twenty-five".
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