Base | Representation |
---|---|
bin | 1001100010101… |
… | …01000100011111 |
3 | 12120121110112201 |
4 | 10301111010133 |
5 | 130442241343 |
6 | 11535312331 |
7 | 1661221264 |
oct | 461250437 |
9 | 176543481 |
10 | 80040223 |
11 | 411a944a |
12 | 2297b6a7 |
13 | 137757a3 |
14 | a8b726b |
15 | 706094d |
hex | 4c5511f |
80040223 has 2 divisors, whose sum is σ = 80040224. Its totient is φ = 80040222.
The previous prime is 80040221. The next prime is 80040239. The reversal of 80040223 is 32204008.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80040223 - 21 = 80040221 is a prime.
Together with 80040221, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 80040223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80040221) 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 as a sum of consecutive naturals, namely, 40020111 + 40020112.
It is an arithmetic number, because the mean of its divisors is an integer number (40020112).
Almost surely, 280040223 is an apocalyptic number.
80040223 is a deficient number, since it is larger than the sum of its proper divisors (1).
80040223 is an equidigital number, since it uses as much as digits as its factorization.
80040223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 80040223 is about 8946.5201614930. The cubic root of 80040223 is about 430.9591407623.
The spelling of 80040223 in words is "eighty million, forty thousand, two hundred twenty-three".
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