Base | Representation |
---|---|
bin | 1001100100000… |
… | …01010100011011 |
3 | 12120221200011110 |
4 | 10302001110123 |
5 | 131014041332 |
6 | 11543231403 |
7 | 1662604554 |
oct | 462012433 |
9 | 176850143 |
10 | 80221467 |
11 | 41312637 |
12 | 22a48563 |
13 | 1380a131 |
14 | a92332b |
15 | 70994cc |
hex | 4c8151b |
80221467 has 4 divisors (see below), whose sum is σ = 106961960. Its totient is φ = 53480976.
The previous prime is 80221441. The next prime is 80221499. The reversal of 80221467 is 76412208.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80221467 - 26 = 80221403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80221417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13370242 + ... + 13370247.
It is an arithmetic number, because the mean of its divisors is an integer number (26740490).
Almost surely, 280221467 is an apocalyptic number.
80221467 is a deficient number, since it is larger than the sum of its proper divisors (26740493).
80221467 is a wasteful number, since it uses less digits than its factorization.
80221467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26740492.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 80221467 is about 8956.6437352392. The cubic root of 80221467 is about 431.2841851498.
The spelling of 80221467 in words is "eighty million, two hundred twenty-one thousand, four hundred sixty-seven".
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