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10287728 = 241158453
BaseRepresentation
bin100111001111…
…101001110000
3201100200002222
4213033221300
510113201403
61004300212
7153305243
oct47175160
921320088
1010287728
115897360
123541668
132192819
14151b25a
15d83338
hex9cfa70

10287728 has 20 divisors (see below), whose sum is σ = 21744888. Its totient is φ = 4676160.

The previous prime is 10287709. The next prime is 10287731. The reversal of 10287728 is 82778201.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29051 + ... + 29402.

Almost surely, 210287728 is an apocalyptic number.

It is an amenable number.

10287728 is an abundant number, since it is smaller than the sum of its proper divisors (11457160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10287728 is a wasteful number, since it uses less digits than its factorization.

10287728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58472 (or 58466 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 10287728 is about 3207.4488304570. The cubic root of 10287728 is about 217.4902660020.

The spelling of 10287728 in words is "ten million, two hundred eighty-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 58453 116906 233812 467624 642983 935248 1285966 2571932 5143864 10287728