Base | Representation |
---|---|
bin | 1001100100110… |
… | …01111011000000 |
3 | 12121010210101210 |
4 | 10302121323000 |
5 | 131030302430 |
6 | 11545330120 |
7 | 1663504425 |
oct | 462317300 |
9 | 177123353 |
10 | 80322240 |
11 | 41381319 |
12 | 22a96940 |
13 | 13843c6b |
14 | a94bd4c |
15 | 70b92b0 |
hex | 4c99ec0 |
80322240 has 112 divisors (see below), whose sum is σ = 263347200. Its totient is φ = 20720640.
The previous prime is 80322211. The next prime is 80322241. The reversal of 80322240 is 4222308.
It is not an unprimeable number, because it can be changed into a prime (80322241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28411 + ... + 31109.
Almost surely, 280322240 is an apocalyptic number.
80322240 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 80322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131673600).
80322240 is an abundant number, since it is smaller than the sum of its proper divisors (183024960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80322240 is a wasteful number, since it uses less digits than its factorization.
80322240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2750 (or 2740 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 80322240 is about 8962.2675702079. The cubic root of 80322240 is about 431.4647004857.
Adding to 80322240 its reverse (4222308), we get a palindrome (84544548).
The spelling of 80322240 in words is "eighty million, three hundred twenty-two thousand, two hundred forty".
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