Base | Representation |
---|---|
bin | 1001101000011… |
… | …10110000100100 |
3 | 12122001002212101 |
4 | 10310032300210 |
5 | 131141111204 |
6 | 12003501444 |
7 | 2000536600 |
oct | 464166044 |
9 | 178032771 |
10 | 80800804 |
11 | 41678927 |
12 | 23087884 |
13 | 13980a36 |
14 | aa34500 |
15 | 7160ea4 |
hex | 4d0ec24 |
80800804 has 18 divisors (see below), whose sum is σ = 164487750. Its totient is φ = 34628832.
The previous prime is 80800781. The next prime is 80800823. The reversal of 80800804 is 40800808.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 44222500 + 36578304 = 6650^2 + 6048^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 205929 + ... + 206320.
Almost surely, 280800804 is an apocalyptic number.
It is an amenable number.
80800804 is an abundant number, since it is smaller than the sum of its proper divisors (83686946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80800804 is a wasteful number, since it uses less digits than its factorization.
80800804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412267 (or 412258 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 80800804 is about 8988.9267434995. The cubic root of 80800804 is about 432.3199005118.
The spelling of 80800804 in words is "eighty million, eight hundred thousand, eight hundred four".
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