Base | Representation |
---|---|
bin | 1010010001010… |
… | …1101000000101 |
3 | 10000001200220212 |
4 | 2210111220011 |
5 | 42012031242 |
6 | 4135205205 |
7 | 1032114146 |
oct | 244255005 |
9 | 100050825 |
10 | 43080197 |
11 | 22354876 |
12 | 12516805 |
13 | 8c04854 |
14 | 5a15acd |
15 | 3bae782 |
hex | 2915a05 |
43080197 has 4 divisors (see below), whose sum is σ = 43157280. Its totient is φ = 43003116.
The previous prime is 43080187. The next prime is 43080199. The reversal of 43080197 is 79108034.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79108034 = 2 ⋅39554017.
It is a cyclic number.
It is not a de Polignac number, because 43080197 - 212 = 43076101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43080199) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37697 + ... + 38822.
It is an arithmetic number, because the mean of its divisors is an integer number (10789320).
Almost surely, 243080197 is an apocalyptic number.
It is an amenable number.
43080197 is a deficient number, since it is larger than the sum of its proper divisors (77083).
43080197 is an equidigital number, since it uses as much as digits as its factorization.
43080197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77082.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 43080197 is about 6563.5506397071. The cubic root of 43080197 is about 350.5574707875.
The spelling of 43080197 in words is "forty-three million, eighty thousand, one hundred ninety-seven".
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