Base | Representation |
---|---|
bin | 1011111110010… |
… | …0110001101100 |
3 | 10111111110002012 |
4 | 2333210301230 |
5 | 100324021030 |
6 | 4552220352 |
7 | 1146602255 |
oct | 277446154 |
9 | 114443065 |
10 | 50220140 |
11 | 26391153 |
12 | 1499a6b8 |
13 | a534679 |
14 | 6953b2c |
15 | 4620095 |
hex | 2fe4c6c |
50220140 has 24 divisors (see below), whose sum is σ = 105652512. Its totient is φ = 20051840.
The previous prime is 50220133. The next prime is 50220143. The reversal of 50220140 is 4102205.
It is not an unprimeable number, because it can be changed into a prime (50220143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000 + ... + 14880.
It is an arithmetic number, because the mean of its divisors is an integer number (4402188).
Almost surely, 250220140 is an apocalyptic number.
It is an amenable number.
50220140 is an abundant number, since it is smaller than the sum of its proper divisors (55432372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50220140 is a wasteful number, since it uses less digits than its factorization.
50220140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 50220140 is about 7086.6169643914. The cubic root of 50220140 is about 368.9430267769.
Adding to 50220140 its reverse (4102205), we get a palindrome (54322345).
The spelling of 50220140 in words is "fifty million, two hundred twenty thousand, one hundred forty".
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