Base | Representation |
---|---|
bin | 1001100110011… |
… | …00101111100100 |
3 | 12121112100221120 |
4 | 10303030233210 |
5 | 131103433104 |
6 | 11554013540 |
7 | 1665332343 |
oct | 463145744 |
9 | 177470846 |
10 | 80530404 |
11 | 41503759 |
12 | 22b772b0 |
13 | 138b7936 |
14 | a9a3b5a |
15 | 710acd9 |
hex | 4cccbe4 |
80530404 has 24 divisors (see below), whose sum is σ = 190018080. Its totient is φ = 26541504.
The previous prime is 80530403. The next prime is 80530409. The reversal of 80530404 is 40403508.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80530403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36634 + ... + 38769.
It is an arithmetic number, because the mean of its divisors is an integer number (7917420).
Almost surely, 280530404 is an apocalyptic number.
It is an amenable number.
80530404 is an abundant number, since it is smaller than the sum of its proper divisors (109487676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80530404 is a wasteful number, since it uses less digits than its factorization.
80530404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75499 (or 75497 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 80530404 is about 8973.8734111865. The cubic root of 80530404 is about 431.8371085118.
The spelling of 80530404 in words is "eighty million, five hundred thirty thousand, four hundred four".
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