Base | Representation |
---|---|
bin | 10011100011100… |
… | …001110111110001 |
3 | 211212100020100202 |
4 | 103203201313301 |
5 | 1132442042011 |
6 | 52315524545 |
7 | 11062433012 |
oct | 2343416761 |
9 | 755306322 |
10 | 328080881 |
11 | 159214027 |
12 | 91a59755 |
13 | 52c803cb |
14 | 31803009 |
15 | 1dc0923b |
hex | 138e1df1 |
328080881 has 2 divisors, whose sum is σ = 328080882. Its totient is φ = 328080880.
The previous prime is 328080839. The next prime is 328080919. The reversal of 328080881 is 188080823.
It is an a-pointer prime, because the next prime (328080919) can be obtained adding 328080881 to its sum of digits (38).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 323280400 + 4800481 = 17980^2 + 2191^2 .
It is a cyclic number.
It is not a de Polignac number, because 328080881 - 214 = 328064497 is a prime.
It is a super-2 number, since 2×3280808812 = 215274128955472322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (328080281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164040440 + 164040441.
It is an arithmetic number, because the mean of its divisors is an integer number (164040441).
Almost surely, 2328080881 is an apocalyptic number.
It is an amenable number.
328080881 is a deficient number, since it is larger than the sum of its proper divisors (1).
328080881 is an equidigital number, since it uses as much as digits as its factorization.
328080881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24576, while the sum is 38.
The square root of 328080881 is about 18113.0030917018. The cubic root of 328080881 is about 689.7001294460.
The spelling of 328080881 in words is "three hundred twenty-eight million, eighty thousand, eight hundred eighty-one".
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