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9025728 = 263291621
BaseRepresentation
bin100010011011…
…100011000000
3121222112222020
4202123203000
54302310403
6521241440
7136501035
oct42334300
917875866
109025728
115105188
123033280
131b4028a
1412ad38c
15bd4453
hex89b8c0

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".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 174 192 232 348 464 696 928 1392 1621 1856 2784 3242 4863 5568 6484 9726 12968 19452 25936 38904 47009 51872 77808 94018 103744 141027 155616 188036 282054 311232 376072 564108 752144 1128216 1504288 2256432 3008576 4512864 9025728