| Base | Representation |
|---|---|
| bin | 101011000000100… |
| … | …0000001010111100 |
| 3 | 10201120110020201211 |
| 4 | 1112001000022330 |
| 5 | 10423413302140 |
| 6 | 355110414204 |
| 7 | 50522114413 |
| oct | 12601001274 |
| 9 | 3646406654 |
| 10 | 1443103420 |
| 11 | 680659a60 |
| 12 | 343361364 |
| 13 | 19cc90a65 |
| 14 | d993247a |
| 15 | 86a5b2ea |
| hex | 560402bc |
1443103420 has 96 divisors (see below), whose sum is σ = 3410346240. Its totient is φ = 508469760.
The previous prime is 1443103373. The next prime is 1443103427. The reversal of 1443103420 is 243013441.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 1443103391 and 1443103400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1443103427) 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 31 ways as a sum of consecutive naturals, for example, 946779 + ... + 948301.
It is an arithmetic number, because the mean of its divisors is an integer number (35524440).
Almost surely, 21443103420 is an apocalyptic number.
1443103420 is a gapful number since it is divisible by the number (10) 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 1443103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705173120).
1443103420 is an abundant number, since it is smaller than the sum of its proper divisors (1967242820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1443103420 is a wasteful number, since it uses less digits than its factorization.
1443103420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1443103420 is about 37988.2010629616. The cubic root of 1443103420 is about 1130.0538831434.
Adding to 1443103420 its reverse (243013441), we get a palindrome (1686116861).
The spelling of 1443103420 in words is "one billion, four hundred forty-three million, one hundred three thousand, four hundred twenty".
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