Base | Representation |
---|---|
bin | 1011111110010… |
… | …1000011110100 |
3 | 10111111111200011 |
4 | 2333211003310 |
5 | 100324040200 |
6 | 4552230004 |
7 | 1146605533 |
oct | 277450364 |
9 | 114444604 |
10 | 50221300 |
11 | 26392008 |
12 | 1499b304 |
13 | a53505c |
14 | 695431a |
15 | 46205ba |
hex | 2fe50f4 |
50221300 has 36 divisors (see below), whose sum is σ = 110780236. Its totient is φ = 19756800.
The previous prime is 50221231. The next prime is 50221319. The reversal of 50221300 is 312205.
It can be written as a sum of positive squares in 6 ways, for example, as 16418704 + 33802596 = 4052^2 + 5814^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1984 + ... + 10216.
Almost surely, 250221300 is an apocalyptic number.
50221300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55390118).
50221300 is an abundant number, since it is smaller than the sum of its proper divisors (60558936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50221300 is a wasteful number, since it uses less digits than its factorization.
50221300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8308 (or 8301 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 50221300 is about 7086.6988083310. The cubic root of 50221300 is about 368.9458674076.
Adding to 50221300 its reverse (312205), we get a palindrome (50533505).
The spelling of 50221300 in words is "fifty million, two hundred twenty-one thousand, three hundred".
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