Base | Representation |
---|---|
bin | 11111000001101101101000 |
3 | 120022020001000 |
4 | 133001231220 |
5 | 4040232410 |
6 | 450155000 |
7 | 126063525 |
oct | 37015550 |
9 | 16266030 |
10 | 8133480 |
11 | 4655893 |
12 | 2882a60 |
13 | 18ba114 |
14 | 111a14c |
15 | aa9dc0 |
hex | 7c1b68 |
8133480 has 128 divisors (see below), whose sum is σ = 28771200. Its totient is φ = 2036736.
The previous prime is 8133469. The next prime is 8133481. The reversal of 8133480 is 843318.
8133480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (8133481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18139 + ... + 18581.
It is an arithmetic number, because the mean of its divisors is an integer number (224775).
Almost surely, 28133480 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 8133480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14385600).
8133480 is an abundant number, since it is smaller than the sum of its proper divisors (20637720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8133480 is a wasteful number, since it uses less digits than its factorization.
8133480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480 (or 470 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 8133480 is about 2851.9256652304. The cubic root of 8133480 is about 201.1062036207.
Adding to 8133480 its reverse (843318), we get a palindrome (8976798).
The spelling of 8133480 in words is "eight million, one hundred thirty-three thousand, four hundred eighty".
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