| Base | Representation |
|---|---|
| bin | 1011111111110010… |
| … | …0111101110111100 |
| 3 | 22022102122012111200 |
| 4 | 2333330213232330 |
| 5 | 23043401332034 |
| 6 | 1251315015500 |
| 7 | 142542302214 |
| oct | 27774475674 |
| 9 | 8272565450 |
| 10 | 3220339644 |
| 11 | 1402885925 |
| 12 | 75a59a590 |
| 13 | 3c4240722 |
| 14 | 2279a1244 |
| 15 | 13cab9a99 |
| hex | bff27bbc |
3220339644 has 72 divisors (see below), whose sum is σ = 8416017792. Its totient is φ = 1037197440.
The previous prime is 3220339643. The next prime is 3220339649. The reversal of 3220339644 is 4469330223.
3220339644 is a `hidden beast` number, since 3 + 2 + 2 + 0 + 3 + 3 + 9 + 644 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 3220339599 and 3220339608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220339643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860802 + ... + 864534.
It is an arithmetic number, because the mean of its divisors is an integer number (116889136).
Almost surely, 23220339644 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 3220339644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208008896).
3220339644 is an abundant number, since it is smaller than the sum of its proper divisors (5195678148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220339644 is a wasteful number, since it uses less digits than its factorization.
3220339644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4547 (or 4542 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 36.
The square root of 3220339644 is about 56748.0364770447. The cubic root of 3220339644 is about 1476.7281697999.
Adding to 3220339644 its reverse (4469330223), we get a palindrome (7689669867).
The spelling of 3220339644 in words is "three billion, two hundred twenty million, three hundred thirty-nine thousand, six hundred forty-four".
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