| Base | Representation |
|---|---|
| bin | 1100001001100011… |
| … | …0100101000100000 |
| 3 | 22102021200112122100 |
| 4 | 3002120310220200 |
| 5 | 23134342140234 |
| 6 | 1255340410400 |
| 7 | 143550324126 |
| oct | 30230645040 |
| 9 | 8367615570 |
| 10 | 3261286944 |
| 11 | 1423a03173 |
| 12 | 770246a00 |
| 13 | 3cc8794b6 |
| 14 | 22d1bd916 |
| 15 | 1414a7399 |
| hex | c2634a20 |
3261286944 has 144 divisors (see below), whose sum is σ = 9573651360. Its totient is φ = 1052421120.
The previous prime is 3261286943. The next prime is 3261286997. The reversal of 3261286944 is 4496821623.
3261286944 is a `hidden beast` number, since 326 + 1 + 286 + 9 + 44 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×32612869442 = 21271985062209718272, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 3261286944.
It is not an unprimeable number, because it can be changed into a prime (3261286943) 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 23 ways as a sum of consecutive naturals, for example, 1640319 + ... + 1642305.
It is an arithmetic number, because the mean of its divisors is an integer number (66483690).
Almost surely, 23261286944 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 3261286944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786825680).
3261286944 is an abundant number, since it is smaller than the sum of its proper divisors (6312364416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3261286944 is a wasteful number, since it uses less digits than its factorization.
3261286944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2183 (or 2172 counting only the distinct ones).
The product of its digits is 497664, while the sum is 45.
The square root of 3261286944 is about 57107.6785029824. The cubic root of 3261286944 is about 1482.9607979613.
The spelling of 3261286944 in words is "three billion, two hundred sixty-one million, two hundred eighty-six thousand, nine hundred forty-four".
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