Base | Representation |
---|---|
bin | 1001111001110… |
… | …11010001011000 |
3 | 12210022220201102 |
4 | 10330323101120 |
5 | 132232032110 |
6 | 12124410532 |
7 | 2026112363 |
oct | 474732130 |
9 | 183286642 |
10 | 83080280 |
11 | 42995498 |
12 | 239a6a48 |
13 | 1429b43a |
14 | b0690da |
15 | 74615a5 |
hex | 4f3b458 |
83080280 has 16 divisors (see below), whose sum is σ = 186930720. Its totient is φ = 33232096.
The previous prime is 83080253. The next prime is 83080289. The reversal of 83080280 is 8208038.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83080289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038464 + ... + 1038543.
It is an arithmetic number, because the mean of its divisors is an integer number (11683170).
Almost surely, 283080280 is an apocalyptic number.
It is an amenable number.
83080280 is an abundant number, since it is smaller than the sum of its proper divisors (103850440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83080280 is a wasteful number, since it uses less digits than its factorization.
83080280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2077018 (or 2077014 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 83080280 is about 9114.8384516677. The cubic root of 83080280 is about 436.3476591898.
The spelling of 83080280 in words is "eighty-three million, eighty thousand, two hundred eighty".
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