| Base | Representation |
|---|---|
| bin | 1010010000110… |
| … | …0111010111100 |
| 3 | 2222222220000020 |
| 4 | 2210030322330 |
| 5 | 42004411130 |
| 6 | 4134332140 |
| 7 | 1031605200 |
| oct | 244147274 |
| 9 | 88886006 |
| 10 | 43044540 |
| 11 | 22330000 |
| 12 | 124ba050 |
| 13 | 8bc1556 |
| 14 | 5a06b00 |
| 15 | 3ba3e10 |
| hex | 290cebc |
43044540 has 180 divisors, whose sum is σ = 154221480. Its totient is φ = 8944320.
The previous prime is 43044511. The next prime is 43044541. The reversal of 43044540 is 4544034.
43044540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 43044540.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43044541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3913135 + ... + 3913145.
It is an arithmetic number, because the mean of its divisors is an integer number (856786).
Almost surely, 243044540 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 43044540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77110740).
43044540 is an abundant number, since it is smaller than the sum of its proper divisors (111176940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43044540 is a wasteful number, since it uses less digits than its factorization.
43044540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70 (or 28 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 43044540 is about 6560.8337884754. The cubic root of 43044540 is about 350.4607265844.
Multiplying 43044540 by its product of nonzero digits (3840), we get a square (165291033600 = 4065602).
Adding to 43044540 its reverse (4544034), we get a palindrome (47588574).
The spelling of 43044540 in words is "forty-three million, forty-four thousand, five hundred forty".
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