| Base | Representation |
|---|---|
| bin | 100001011001010… |
| … | …0010001011010000 |
| 3 | 2220002111111121220 |
| 4 | 1002302202023100 |
| 5 | 4243324342230 |
| 6 | 303105045040 |
| 7 | 36524314332 |
| oct | 10262421320 |
| 9 | 2802444556 |
| 10 | 1120543440 |
| 11 | 525576965 |
| 12 | 273326780 |
| 13 | 14b1c4573 |
| 14 | a8b69452 |
| 15 | 68592d10 |
| hex | 42ca22d0 |
1120543440 has 160 divisors (see below), whose sum is σ = 3838254336. Its totient is φ = 268984320.
The previous prime is 1120543439. The next prime is 1120543451. The reversal of 1120543440 is 443450211.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 1120543440.
It is a congruent number.
It is an unprimeable number.
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, 87870 + ... + 99810.
Almost surely, 21120543440 is an apocalyptic number.
1120543440 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 1120543440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919127168).
1120543440 is an abundant number, since it is smaller than the sum of its proper divisors (2717710896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1120543440 is a wasteful number, since it uses less digits than its factorization.
1120543440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11997 (or 11991 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1120543440 is about 33474.5192646586. The cubic root of 1120543440 is about 1038.6667580323. Note that the first 3 decimals are identical.
Adding to 1120543440 its reverse (443450211), we get a palindrome (1563993651).
It can be divided in two parts, 11205 and 43440, that added together give a palindrome (54645).
The spelling of 1120543440 in words is "one billion, one hundred twenty million, five hundred forty-three thousand, four hundred forty".
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