Base | Representation |
---|---|
bin | 11111011000111011000 |
3 | 1221020221010 |
4 | 3323013120 |
5 | 230403233 |
6 | 34013520 |
7 | 11512512 |
oct | 3730730 |
9 | 1836833 |
10 | 1028568 |
11 | 642862 |
12 | 4172a0 |
13 | 2a0228 |
14 | 1cabb2 |
15 | 154b63 |
hex | fb1d8 |
1028568 has 32 divisors (see below), whose sum is σ = 2723760. Its totient is φ = 322560.
The previous prime is 1028561. The next prime is 1028569. The reversal of 1028568 is 8658201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028561) 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, 853 + ... + 1668.
21028568 is an apocalyptic number.
It is an amenable number.
1028568 is an abundant number, since it is smaller than the sum of its proper divisors (1695192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028568 is a wasteful number, since it uses less digits than its factorization.
1028568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2547 (or 2543 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 1028568 is about 1014.1834153643. The cubic root of 1028568 is about 100.9433397849.
It can be divided in two parts, 1028 and 568, that added together give a triangular number (1596 = T56).
The spelling of 1028568 in words is "one million, twenty-eight thousand, five hundred sixty-eight".
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