Base | Representation |
---|---|
bin | 100110101011000… |
… | …110100111011000 |
3 | 1200012220011020020 |
4 | 212223012213120 |
5 | 2312100132441 |
6 | 144214430440 |
7 | 22035664563 |
oct | 4653064730 |
9 | 1605804206 |
10 | 648833496 |
11 | 303282233 |
12 | 161362420 |
13 | a456605c |
14 | 622594da |
15 | 3be66e66 |
hex | 26ac69d8 |
648833496 has 128 divisors (see below), whose sum is σ = 1754265600. Its totient is φ = 199485440.
The previous prime is 648833483. The next prime is 648833533. The reversal of 648833496 is 694338846.
It is a happy number.
648833496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308876 + ... + 2309156.
It is an arithmetic number, because the mean of its divisors is an integer number (13705200).
Almost surely, 2648833496 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 648833496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877132800).
648833496 is an abundant number, since it is smaller than the sum of its proper divisors (1105432104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648833496 is a wasteful number, since it uses less digits than its factorization.
648833496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449 (or 445 counting only the distinct ones).
The product of its digits is 2985984, while the sum is 51.
The square root of 648833496 is about 25472.2102692326. The cubic root of 648833496 is about 865.7206045943.
The spelling of 648833496 in words is "six hundred forty-eight million, eight hundred thirty-three thousand, four hundred ninety-six".
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