Base | Representation |
---|---|
bin | 1001100010011… |
… | …01010100100000 |
3 | 12120112212000001 |
4 | 10301031110200 |
5 | 130440232410 |
6 | 11534505344 |
7 | 1661026606 |
oct | 461152440 |
9 | 176485001 |
10 | 80008480 |
11 | 41187612 |
12 | 22965254 |
13 | 137641c6 |
14 | a8a9876 |
15 | 705633a |
hex | 4c4d520 |
80008480 has 48 divisors (see below), whose sum is σ = 191709504. Its totient is φ = 31548160.
The previous prime is 80008447. The next prime is 80008499. The reversal of 80008480 is 8480008.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7839 + ... + 14881.
It is an arithmetic number, because the mean of its divisors is an integer number (3993948).
Almost surely, 280008480 is an apocalyptic number.
80008480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80008480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95854752).
80008480 is an abundant number, since it is smaller than the sum of its proper divisors (111701024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80008480 is a wasteful number, since it uses less digits than its factorization.
80008480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7129 (or 7121 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 80008480 is about 8944.7459438488. The cubic root of 80008480 is about 430.9021621403.
Adding to 80008480 its reverse (8480008), we get a palindrome (88488488).
The spelling of 80008480 in words is "eighty million, eight thousand, four hundred eighty".
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