Base | Representation |
---|---|
bin | 100000111110111111100 |
3 | 2000220121200 |
4 | 10013313330 |
5 | 234041303 |
6 | 35055500 |
7 | 12121050 |
oct | 4076774 |
9 | 2026550 |
10 | 1080828 |
11 | 679051 |
12 | 441590 |
13 | 2bac58 |
14 | 201c60 |
15 | 1653a3 |
hex | 107dfc |
1080828 has 36 divisors (see below), whose sum is σ = 3123120. Its totient is φ = 308736.
The previous prime is 1080823. The next prime is 1080841. The reversal of 1080828 is 8280801.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1080823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1893 + ... + 2396.
21080828 is an apocalyptic number.
1080828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1080828 is an abundant number, since it is smaller than the sum of its proper divisors (2042292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1080828 is a wasteful number, since it uses less digits than its factorization.
1080828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4306 (or 4301 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 1080828 is about 1039.6287799017. The cubic root of 1080828 is about 102.6247697341.
Subtracting from 1080828 its sum of digits (27), we obtain a palindrome (1080801).
The spelling of 1080828 in words is "one million, eighty thousand, eight hundred twenty-eight".
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