Base | Representation |
---|---|
bin | 100000000000010011000 |
3 | 1222021120210 |
4 | 10000002120 |
5 | 232024403 |
6 | 34251120 |
7 | 11625342 |
oct | 4000230 |
9 | 1867523 |
10 | 1048728 |
11 | 656a1a |
12 | 426aa0 |
13 | 2a9465 |
14 | 1d4292 |
15 | 15ab03 |
hex | 100098 |
1048728 has 32 divisors (see below), whose sum is σ = 2694960. Its totient is φ = 339840.
The previous prime is 1048721. The next prime is 1048759. The reversal of 1048728 is 8278401.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a d-powerful number, because it can be written as 1 + 0 + 410 + 8 + 7 + 27 + 8 .
It is a junction number, because it is equal to n+sod(n) for n = 1048695 and 1048704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1048721) 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, 298 + ... + 1478.
21048728 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1048728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347480).
1048728 is an abundant number, since it is smaller than the sum of its proper divisors (1646232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1048728 is a wasteful number, since it uses less digits than its factorization.
1048728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1227 (or 1223 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 1048728 is about 1024.0742160605. The cubic root of 1048728 is about 101.5985760439.
The spelling of 1048728 in words is "one million, forty-eight thousand, seven hundred twenty-eight".
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