Base | Representation |
---|---|
bin | 11110101000000010100000 |
3 | 120002212210012 |
4 | 132220002200 |
5 | 4023401240 |
6 | 444024052 |
7 | 125145116 |
oct | 36500240 |
9 | 16085705 |
10 | 8028320 |
11 | 4593883 |
12 | 2832028 |
13 | 18812b1 |
14 | 10cdab6 |
15 | a88b65 |
hex | 7a80a0 |
8028320 has 24 divisors (see below), whose sum is σ = 18967284. Its totient is φ = 3211264.
The previous prime is 8028299. The next prime is 8028343. The reversal of 8028320 is 238208.
It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 781456 = 2692^2 + 884^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24929 + ... + 25248.
Almost surely, 28028320 is an apocalyptic number.
8028320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8028320 is an abundant number, since it is smaller than the sum of its proper divisors (10938964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8028320 is a wasteful number, since it uses less digits than its factorization.
8028320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50192 (or 50184 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 8028320 is about 2833.4290179922. The cubic root of 8028320 is about 200.2357220664.
The spelling of 8028320 in words is "eight million, twenty-eight thousand, three hundred twenty".
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