Base | Representation |
---|---|
bin | 1001100111001… |
… | …11010000110000 |
3 | 12121201212221112 |
4 | 10303213100300 |
5 | 131120422044 |
6 | 12000212452 |
7 | 1666264124 |
oct | 463472060 |
9 | 177655845 |
10 | 80639024 |
11 | 41578324 |
12 | 2300a128 |
13 | 139251cb |
14 | a9d1584 |
15 | 712d09e |
hex | 4ce7430 |
80639024 has 40 divisors (see below), whose sum is σ = 171149760. Its totient is φ = 36635648.
The previous prime is 80639003. The next prime is 80639033. The reversal of 80639024 is 42093608.
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, 2777 + ... + 12999.
It is an arithmetic number, because the mean of its divisors is an integer number (4278744).
Almost surely, 280639024 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 80639024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85574880).
80639024 is an abundant number, since it is smaller than the sum of its proper divisors (90510736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80639024 is a wasteful number, since it uses less digits than its factorization.
80639024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10277 (or 10271 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 80639024 is about 8979.9233849738. The cubic root of 80639024 is about 432.0311763051.
The spelling of 80639024 in words is "eighty million, six hundred thirty-nine thousand, twenty-four".
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