Base | Representation |
---|---|
bin | 1001101000100… |
… | …10110000110000 |
3 | 12122001221100122 |
4 | 10310102300300 |
5 | 131142122300 |
6 | 12004105412 |
7 | 2000635442 |
oct | 464226060 |
9 | 178057318 |
10 | 80817200 |
11 | 4168a182 |
12 | 23095268 |
13 | 13988339 |
14 | aa3a492 |
15 | 7165c85 |
hex | 4d12c30 |
80817200 has 60 divisors (see below), whose sum is σ = 200887440. Its totient is φ = 31207680.
The previous prime is 80817179. The next prime is 80817211. The reversal of 80817200 is 271808.
It is a self number, because there is not a number n which added to its sum of digits gives 80817200.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8117 + ... + 15083.
It is an arithmetic number, because the mean of its divisors is an integer number (3348124).
Almost surely, 280817200 is an apocalyptic number.
80817200 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 80817200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100443720).
80817200 is an abundant number, since it is smaller than the sum of its proper divisors (120070240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80817200 is a wasteful number, since it uses less digits than its factorization.
80817200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7014 (or 7003 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 80817200 is about 8989.8387082305. The cubic root of 80817200 is about 432.3491404754.
The spelling of 80817200 in words is "eighty million, eight hundred seventeen thousand, two hundred".
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