Base | Representation |
---|---|
bin | 1001100110001… |
… | …11011010011000 |
3 | 12121111020222211 |
4 | 10303013122120 |
5 | 131102233233 |
6 | 11553324504 |
7 | 1665211600 |
oct | 463073230 |
9 | 177436884 |
10 | 80508568 |
11 | 41499308 |
12 | 22b66734 |
13 | 138aaa0a |
14 | a999c00 |
15 | 71045cd |
hex | 4cc7698 |
80508568 has 48 divisors (see below), whose sum is σ = 178626600. Its totient is φ = 33918864.
The previous prime is 80508521. The next prime is 80508569. The reversal of 80508568 is 86580508.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a self number, because there is not a number n which added to its sum of digits gives 80508568.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80508569) by changing a digit.
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 in 11 ways as a sum of consecutive naturals, for example, 1364523 + ... + 1364581.
Almost surely, 280508568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80508568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89313300).
80508568 is an abundant number, since it is smaller than the sum of its proper divisors (98118032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80508568 is an frugal number, since it uses more digits than its factorization.
80508568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 68 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 40.
The square root of 80508568 is about 8972.6566857314. The cubic root of 80508568 is about 431.7980737827.
The spelling of 80508568 in words is "eighty million, five hundred eight thousand, five hundred sixty-eight".
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