| Base | Representation |
|---|---|
| bin | 1010010100010… |
| … | …0110111111000 |
| 3 | 10000102112101101 |
| 4 | 2211010313320 |
| 5 | 42034224340 |
| 6 | 4143301144 |
| 7 | 1033551310 |
| oct | 245046770 |
| 9 | 100375341 |
| 10 | 43273720 |
| 11 | 22477206 |
| 12 | 125aa7b4 |
| 13 | 8c71969 |
| 14 | 5a66440 |
| 15 | 3bebc9a |
| hex | 2944df8 |
43273720 has 64 divisors (see below), whose sum is σ = 114310080. Its totient is φ = 14432256.
The previous prime is 43273709. The next prime is 43273723. The reversal of 43273720 is 2737234.
43273720 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 2×432737202 = 3745229685276800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43273723) 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 15 ways as a sum of consecutive naturals, for example, 8272 + ... + 12448.
It is an arithmetic number, because the mean of its divisors is an integer number (1786095).
Almost surely, 243273720 is an apocalyptic number.
43273720 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 43273720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57155040).
43273720 is an abundant number, since it is smaller than the sum of its proper divisors (71036360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43273720 is a wasteful number, since it uses less digits than its factorization.
43273720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4232 (or 4228 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 28.
The square root of 43273720 is about 6578.2763699924. The cubic root of 43273720 is about 351.0816064450.
The spelling of 43273720 in words is "forty-three million, two hundred seventy-three thousand, seven hundred twenty".
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