Base | Representation |
---|---|
bin | 1001101000100… |
… | …00011011000000 |
3 | 12122001110012200 |
4 | 10310100123000 |
5 | 131141320431 |
6 | 12003553200 |
7 | 2000565501 |
oct | 464203300 |
9 | 178043180 |
10 | 80807616 |
11 | 41682a5a |
12 | 2308b800 |
13 | 13983b76 |
14 | aa36ba8 |
15 | 7162ee6 |
hex | 4d106c0 |
80807616 has 84 divisors (see below), whose sum is σ = 236079792. Its totient is φ = 26417664.
The previous prime is 80807611. The next prime is 80807633. The reversal of 80807616 is 61670808.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (80807611) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29205 + ... + 31851.
Almost surely, 280807616 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 80807616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118039896).
80807616 is an abundant number, since it is smaller than the sum of its proper divisors (155272176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80807616 is a wasteful number, since it uses less digits than its factorization.
80807616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2718 (or 2705 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 80807616 is about 8989.3056461553. The cubic root of 80807616 is about 432.3320492375.
The spelling of 80807616 in words is "eighty million, eight hundred seven thousand, six hundred sixteen".
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