Base | Representation |
---|---|
bin | 100000001001… |
… | …100111111110 |
3 | 120212012002021 |
4 | 200021213332 |
5 | 4124144110 |
6 | 500350354 |
7 | 131431342 |
oct | 40114776 |
9 | 16765067 |
10 | 8428030 |
11 | 4837116 |
12 | 29a53ba |
13 | 1991200 |
14 | 1195622 |
15 | b172da |
hex | 8099fe |
8428030 has 24 divisors (see below), whose sum is σ = 16430472. Its totient is φ = 3111264.
The previous prime is 8428003. The next prime is 8428031. The reversal of 8428030 is 308248.
8428030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 8427986 and 8428004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8428031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804 + ... + 4183.
It is an arithmetic number, because the mean of its divisors is an integer number (684603).
Almost surely, 28428030 is an apocalyptic number.
8428030 is a deficient number, since it is larger than the sum of its proper divisors (8002442).
8428030 is a wasteful number, since it uses less digits than its factorization.
8428030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5020 (or 5007 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 8428030 is about 2903.1069563487. The cubic root of 8428030 is about 203.5051281843.
The spelling of 8428030 in words is "eight million, four hundred twenty-eight thousand, thirty".
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