Base | Representation |
---|---|
bin | 1111010010001… |
… | …0100000000010 |
3 | 11110121211202220 |
4 | 3310202200002 |
5 | 112402320300 |
6 | 10205551510 |
7 | 1405610304 |
oct | 364424002 |
9 | 143554686 |
10 | 64104450 |
11 | 33204693 |
12 | 19575596 |
13 | 10386237 |
14 | 8729974 |
15 | 5963da0 |
hex | 3d22802 |
64104450 has 96 divisors (see below), whose sum is σ = 175810176. Its totient is φ = 15375360.
The previous prime is 64104431. The next prime is 64104451. The reversal of 64104450 is 5440146.
It is a self number, because there is not a number n which added to its sum of digits gives 64104450.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64104451) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58104 + ... + 59196.
It is an arithmetic number, because the mean of its divisors is an integer number (1831356).
Almost surely, 264104450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64104450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87905088).
64104450 is an abundant number, since it is smaller than the sum of its proper divisors (111705726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64104450 is a wasteful number, since it uses less digits than its factorization.
64104450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 64104450 is about 8006.5254636453. The cubic root of 64104450 is about 400.2174858949.
Adding to 64104450 its reverse (5440146), we get a palindrome (69544596).
The spelling of 64104450 in words is "sixty-four million, one hundred four thousand, four hundred fifty".
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