Base | Representation |
---|---|
bin | 11111011000110011110000 |
3 | 120111000210201 |
4 | 133120303300 |
5 | 4101244310 |
6 | 452204544 |
7 | 126636400 |
oct | 37306360 |
9 | 16430721 |
10 | 8228080 |
11 | 470a973 |
12 | 2909754 |
13 | 19211b3 |
14 | 1142800 |
15 | ac7e3a |
hex | 7d8cf0 |
8228080 has 60 divisors (see below), whose sum is σ = 22264200. Its totient is φ = 2819712.
The previous prime is 8228071. The next prime is 8228111. The reversal of 8228080 is 808228.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2871 + ... + 4969.
It is an arithmetic number, because the mean of its divisors is an integer number (371070).
Almost surely, 28228080 is an apocalyptic number.
8228080 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 8228080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11132100).
8228080 is an abundant number, since it is smaller than the sum of its proper divisors (14036120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8228080 is a wasteful number, since it uses less digits than its factorization.
8228080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2126 (or 2113 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 8228080 is about 2868.4630030732. The cubic root of 8228080 is about 201.8828847639.
The spelling of 8228080 in words is "eight million, two hundred twenty-eight thousand, eighty".
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