Base | Representation |
---|---|
bin | 1001100111011… |
… | …11001000001100 |
3 | 12121210112010212 |
4 | 10303233020030 |
5 | 131122434434 |
6 | 12001021552 |
7 | 1666460063 |
oct | 463571014 |
9 | 177715125 |
10 | 80671244 |
11 | 4159a555 |
12 | 230248b8 |
13 | 13936a84 |
14 | a9dd1da |
15 | 71378ce |
hex | 4cef20c |
80671244 has 6 divisors (see below), whose sum is σ = 141174684. Its totient is φ = 40335620.
The previous prime is 80671229. The next prime is 80671271. The reversal of 80671244 is 44217608.
It is a self number, because there is not a number n which added to its sum of digits gives 80671244.
It is an unprimeable number.
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, 10083902 + ... + 10083909.
It is an arithmetic number, because the mean of its divisors is an integer number (23529114).
Almost surely, 280671244 is an apocalyptic number.
It is an amenable number.
80671244 is a deficient number, since it is larger than the sum of its proper divisors (60503440).
80671244 is a wasteful number, since it uses less digits than its factorization.
80671244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20167815 (or 20167813 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 80671244 is about 8981.7172077504. The cubic root of 80671244 is about 432.0887092061.
The spelling of 80671244 in words is "eighty million, six hundred seventy-one thousand, two hundred forty-four".
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