| Base | Representation |
|---|---|
| bin | 100111010110001… |
| … | …0000011000000000 |
| 3 | 10102000020100012200 |
| 4 | 1032230100120000 |
| 5 | 10200434134011 |
| 6 | 335000553200 |
| 7 | 44500502211 |
| oct | 11654203000 |
| 9 | 3360210180 |
| 10 | 1320224256 |
| 11 | 61826102a |
| 12 | 30a182800 |
| 13 | 1806994b0 |
| 14 | c74a7408 |
| 15 | 7ad87856 |
| hex | 4eb10600 |
1320224256 has 120 divisors (see below), whose sum is σ = 4103539440. Its totient is φ = 406204416.
The previous prime is 1320224251. The next prime is 1320224261. The reversal of 1320224256 is 6524220231.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1320224251) and next prime (1320224261).
It is a super-2 number, since 2×13202242562 = 3485984172261507072, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1320224251) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48885 + ... + 70923.
It is an arithmetic number, because the mean of its divisors is an integer number (34196162).
Almost surely, 21320224256 is an apocalyptic number.
1320224256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1320224256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051769720).
1320224256 is an abundant number, since it is smaller than the sum of its proper divisors (2783315184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1320224256 is a wasteful number, since it uses less digits than its factorization.
1320224256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22076 (or 22057 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 1320224256 is about 36334.8903397272. The cubic root of 1320224256 is about 1097.0234282203.
Adding to 1320224256 its reverse (6524220231), we get a palindrome (7844444487).
The spelling of 1320224256 in words is "one billion, three hundred twenty million, two hundred twenty-four thousand, two hundred fifty-six".
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