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28094912 = 26438983
BaseRepresentation
bin110101100101…
…1000111000000
31221212100222022
41223023013000
524143014122
62442101012
7460542236
oct153130700
957770868
1028094912
111494a13a
1294aa768
135a88b11
143a34956
1526ee642
hex1acb1c0

28094912 has 14 divisors (see below), whose sum is σ = 55750968. Its totient is φ = 14047424.

The previous prime is 28094893. The next prime is 28094921. The reversal of 28094912 is 21949082.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 219428 + ... + 219555.

It is an arithmetic number, because the mean of its divisors is an integer number (3982212).

Almost surely, 228094912 is an apocalyptic number.

It is an amenable number.

28094912 is a deficient number, since it is larger than the sum of its proper divisors (27656056).

28094912 is an equidigital number, since it uses as much as digits as its factorization.

28094912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438995 (or 438985 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 28094912 is about 5300.4633759701. The cubic root of 28094912 is about 304.0016158732.

The spelling of 28094912 in words is "twenty-eight million, ninety-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 64 438983 877966 1755932 3511864 7023728 14047456 28094912