Base | Representation |
---|---|
bin | 1100000001100… |
… | …0010110111100 |
3 | 10111220011220101 |
4 | 3000120112330 |
5 | 100402301140 |
6 | 5000530444 |
7 | 1151442244 |
oct | 300302674 |
9 | 114804811 |
10 | 50431420 |
11 | 26515966 |
12 | 14a80a24 |
13 | a5a98a0 |
14 | 69aab24 |
15 | 466299a |
hex | 30185bc |
50431420 has 48 divisors (see below), whose sum is σ = 117750528. Its totient is φ = 18017280.
The previous prime is 50431411. The next prime is 50431427. The reversal of 50431420 is 2413405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50431427) 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 15 ways as a sum of consecutive naturals, for example, 4932 + ... + 11188.
It is an arithmetic number, because the mean of its divisors is an integer number (2453136).
Almost surely, 250431420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50431420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58875264).
50431420 is an abundant number, since it is smaller than the sum of its proper divisors (67319108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50431420 is a wasteful number, since it uses less digits than its factorization.
50431420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6310 (or 6308 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 50431420 is about 7101.5082904972. The cubic root of 50431420 is about 369.4596934847.
Adding to 50431420 its reverse (2413405), we get a palindrome (52844825).
The spelling of 50431420 in words is "fifty million, four hundred thirty-one thousand, four hundred twenty".
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