| Base | Representation |
|---|---|
| bin | 1010010011111… |
| … | …1010101100000 |
| 3 | 10000101101021101 |
| 4 | 2210333111200 |
| 5 | 42033013130 |
| 6 | 4143004144 |
| 7 | 1033425220 |
| oct | 244772540 |
| 9 | 100341241 |
| 10 | 43251040 |
| 11 | 22461168 |
| 12 | 12599654 |
| 13 | 8c64541 |
| 14 | 5a5c080 |
| 15 | 3be51ca |
| hex | 293f560 |
43251040 has 144 divisors (see below), whose sum is σ = 123748128. Its totient is φ = 13989888.
The previous prime is 43250989. The next prime is 43251053. The reversal of 43251040 is 4015234.
43251040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×432510402 = 3741304922163200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 43250999 and 43251017.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 592444 + ... + 592516.
It is an arithmetic number, because the mean of its divisors is an integer number (859362).
Almost surely, 243251040 is an apocalyptic number.
43251040 is a gapful number since it is divisible by the number (40) 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 43251040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61874064).
43251040 is an abundant number, since it is smaller than the sum of its proper divisors (80497088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43251040 is a wasteful number, since it uses less digits than its factorization.
43251040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141 (or 110 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 43251040 is about 6576.5522882434. The cubic root of 43251040 is about 351.0202611118.
Adding to 43251040 its reverse (4015234), we get a palindrome (47266274).
The spelling of 43251040 in words is "forty-three million, two hundred fifty-one thousand, forty".
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