Base | Representation |
---|---|
bin | 100010011011… |
… | …100011000000 |
3 | 121222112222020 |
4 | 202123203000 |
5 | 4302310403 |
6 | 521241440 |
7 | 136501035 |
oct | 42334300 |
9 | 17875866 |
10 | 9025728 |
11 | 5105188 |
12 | 3033280 |
13 | 1b4028a |
14 | 12ad38c |
15 | bd4453 |
hex | 89b8c0 |
9025728 has 56 divisors (see below), whose sum is σ = 24719280. Its totient is φ = 2903040.
The previous prime is 9025727. The next prime is 9025777. The reversal of 9025728 is 8275209.
It is not an unprimeable number, because it can be changed into a prime (9025727) 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, 4758 + ... + 6378.
Almost surely, 29025728 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 9025728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12359640).
9025728 is an abundant number, since it is smaller than the sum of its proper divisors (15693552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9025728 is a wasteful number, since it uses less digits than its factorization.
9025728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1665 (or 1655 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 9025728 is about 3004.2849398817. The cubic root of 9025728 is about 208.2064026098.
The spelling of 9025728 in words is "nine million, twenty-five thousand, seven hundred twenty-eight".
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