Base | Representation |
---|---|
bin | 11111011000000010000 |
3 | 1221020022020 |
4 | 3323000100 |
5 | 230344422 |
6 | 34011440 |
7 | 11511261 |
oct | 3730020 |
9 | 1836266 |
10 | 1028112 |
11 | 642488 |
12 | 416b80 |
13 | 29cc67 |
14 | 1ca968 |
15 | 15495c |
hex | fb010 |
1028112 has 20 divisors (see below), whose sum is σ = 2656080. Its totient is φ = 342688.
The previous prime is 1028107. The next prime is 1028113. The reversal of 1028112 is 2118201.
It is a super-3 number, since 3×10281123 = 3260187210333302784, which contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1028091 and 1028100.
It is not an unprimeable number, because it can be changed into a prime (1028113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10662 + ... + 10757.
It is an arithmetic number, because the mean of its divisors is an integer number (132804).
21028112 is an apocalyptic number.
1028112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1028112 is an abundant number, since it is smaller than the sum of its proper divisors (1627968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028112 is a wasteful number, since it uses less digits than its factorization.
1028112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21430 (or 21424 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 1028112 is about 1013.9585790357. The cubic root of 1028112 is about 100.9284203477.
The spelling of 1028112 in words is "one million, twenty-eight thousand, one hundred twelve".
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