Base | Representation |
---|---|
bin | 1111011101110… |
… | …1000111110000 |
3 | 11112001200022221 |
4 | 3313131013300 |
5 | 113101300343 |
6 | 10234210424 |
7 | 1415243002 |
oct | 367350760 |
9 | 145050287 |
10 | 64868848 |
11 | 33686a20 |
12 | 19883a14 |
13 | 10593145 |
14 | 8888372 |
15 | 5a655ed |
hex | 3ddd1f0 |
64868848 has 40 divisors (see below), whose sum is σ = 139455360. Its totient is φ = 28981440.
The previous prime is 64868813. The next prime is 64868851. The reversal of 64868848 is 84886846.
It is a junction number, because it is equal to n+sod(n) for n = 64868795 and 64868804.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7261 + ... + 13507.
It is an arithmetic number, because the mean of its divisors is an integer number (3486384).
Almost surely, 264868848 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 64868848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69727680).
64868848 is an abundant number, since it is smaller than the sum of its proper divisors (74586512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64868848 is a wasteful number, since it uses less digits than its factorization.
64868848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6325 (or 6319 counting only the distinct ones).
The product of its digits is 2359296, while the sum is 52.
The square root of 64868848 is about 8054.1199395092. The cubic root of 64868848 is about 401.8019700697.
It can be divided in two parts, 648 and 68848, that added together give a palindrome (69496).
The spelling of 64868848 in words is "sixty-four million, eight hundred sixty-eight thousand, eight hundred forty-eight".
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