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28008714 = 2310146219
BaseRepresentation
bin110101011011…
…0000100001010
31221200222201210
41222312010022
524132234324
62440153550
7460033026
oct152660412
957628653
1028008714
11148a03a8
1294688b6
135a58806
143a11386
1526d3d29
hex1ab610a

28008714 has 16 divisors (see below), whose sum is σ = 56573280. Its totient is φ = 9243600.

The previous prime is 28008703. The next prime is 28008727. The reversal of 28008714 is 41780082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22504 + ... + 23715.

It is an arithmetic number, because the mean of its divisors is an integer number (3535830).

Almost surely, 228008714 is an apocalyptic number.

28008714 is an abundant number, since it is smaller than the sum of its proper divisors (28564566).

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

28008714 is a wasteful number, since it uses less digits than its factorization.

28008714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46325.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 28008714 is about 5292.3259536805. The cubic root of 28008714 is about 303.6903949159.

Adding to 28008714 its reverse (41780082), we get a palindrome (69788796).

The spelling of 28008714 in words is "twenty-eight million, eight thousand, seven hundred fourteen".

Divisors: 1 2 3 6 101 202 303 606 46219 92438 138657 277314 4668119 9336238 14004357 28008714