Base | Representation |
---|---|
bin | 1001100110111… |
… | …10111101100011 |
3 | 12121200011022101 |
4 | 10303132331203 |
5 | 131113330102 |
6 | 11555351231 |
7 | 1666063036 |
oct | 463367543 |
9 | 177604271 |
10 | 80605027 |
11 | 41554828 |
12 | 22bb2517 |
13 | 139128a9 |
14 | a9c301d |
15 | 7122e87 |
hex | 4cdef63 |
80605027 has 2 divisors, whose sum is σ = 80605028. Its totient is φ = 80605026.
The previous prime is 80605013. The next prime is 80605039. The reversal of 80605027 is 72050608.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80605027 - 215 = 80572259 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80604986 and 80605004.
It is not a weakly prime, because it can be changed into another prime (80605097) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40302513 + 40302514.
It is an arithmetic number, because the mean of its divisors is an integer number (40302514).
Almost surely, 280605027 is an apocalyptic number.
80605027 is a deficient number, since it is larger than the sum of its proper divisors (1).
80605027 is an equidigital number, since it uses as much as digits as its factorization.
80605027 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 80605027 is about 8978.0302405372. The cubic root of 80605027 is about 431.9704537263.
The spelling of 80605027 in words is "eighty million, six hundred five thousand, twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •