Base | Representation |
---|---|
bin | 1111010100010… |
… | …1111111111000 |
3 | 11110220020020000 |
4 | 3311011333320 |
5 | 112421443343 |
6 | 10213033000 |
7 | 1410054225 |
oct | 365057770 |
9 | 143806200 |
10 | 64249848 |
11 | 332a3953 |
12 | 19625760 |
13 | 10407480 |
14 | 876694c |
15 | 5991ed3 |
hex | 3d45ff8 |
64249848 has 160 divisors (see below), whose sum is σ = 201247200. Its totient is φ = 19014912.
The previous prime is 64249847. The next prime is 64249891. The reversal of 64249848 is 84894246.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64249841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 244165 + ... + 244427.
It is an arithmetic number, because the mean of its divisors is an integer number (1257795).
Almost surely, 264249848 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 64249848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100623600).
64249848 is an abundant number, since it is smaller than the sum of its proper divisors (136997352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64249848 is a wasteful number, since it uses less digits than its factorization.
64249848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 323 (or 310 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The square root of 64249848 is about 8015.6002894356. The cubic root of 64249848 is about 400.5198407879.
The spelling of 64249848 in words is "sixty-four million, two hundred forty-nine thousand, eight hundred forty-eight".
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