Base | Representation |
---|---|
bin | 1001100101110… |
… | …00111110110111 |
3 | 12121101020220202 |
4 | 10302320332313 |
5 | 131043340323 |
6 | 11552151115 |
7 | 1664544353 |
oct | 462707667 |
9 | 177336822 |
10 | 80449463 |
11 | 41458966 |
12 | 22b3849b |
13 | 13889b43 |
14 | a982463 |
15 | 70e1d28 |
hex | 4cb8fb7 |
80449463 has 2 divisors, whose sum is σ = 80449464. Its totient is φ = 80449462.
The previous prime is 80449427. The next prime is 80449471. The reversal of 80449463 is 36494408.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80449463 - 28 = 80449207 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80449483) 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, 40224731 + 40224732.
It is an arithmetic number, because the mean of its divisors is an integer number (40224732).
Almost surely, 280449463 is an apocalyptic number.
80449463 is a deficient number, since it is larger than the sum of its proper divisors (1).
80449463 is an equidigital number, since it uses as much as digits as its factorization.
80449463 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 82944, while the sum is 38.
The square root of 80449463 is about 8969.3624634084. The cubic root of 80449463 is about 431.6923803813.
The spelling of 80449463 in words is "eighty million, four hundred forty-nine thousand, four hundred sixty-three".
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