Base | Representation |
---|---|
bin | 11110100111111101111110 |
3 | 120002212101110 |
4 | 132213331332 |
5 | 4023344110 |
6 | 444022450 |
7 | 125144223 |
oct | 36477576 |
9 | 16085343 |
10 | 8028030 |
11 | 459363a |
12 | 2831a26 |
13 | 188111a |
14 | 10cd94a |
15 | a88a20 |
hex | 7a7f7e |
8028030 has 16 divisors (see below), whose sum is σ = 19267344. Its totient is φ = 2140800.
The previous prime is 8028019. The next prime is 8028037. The reversal of 8028030 is 308208.
It is a junction number, because it is equal to n+sod(n) for n = 8027988 and 8028006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8028037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133771 + ... + 133830.
It is an arithmetic number, because the mean of its divisors is an integer number (1204209).
Almost surely, 28028030 is an apocalyptic number.
8028030 is an abundant number, since it is smaller than the sum of its proper divisors (11239314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8028030 is a wasteful number, since it uses less digits than its factorization.
8028030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267611.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 8028030 is about 2833.3778427877. The cubic root of 8028030 is about 200.2333110573.
The spelling of 8028030 in words is "eight million, twenty-eight thousand, thirty".
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