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28096319 = 233312043
BaseRepresentation
bin110101100101…
…1011100111111
31221212102220102
41223023130333
524143040234
62442111315
7460546316
oct153133477
957772812
1028096319
11149501a9
1294ab53b
135a89654
143a3527d
1526eec7e
hex1acb73f

28096319 has 4 divisors (see below), whose sum is σ = 28110696. Its totient is φ = 28081944.

The previous prime is 28096309. The next prime is 28096339. The reversal of 28096319 is 91369082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28096319 - 220 = 27047743 is a prime.

It is a super-2 number, since 2×280963192 = 1578806282699522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28096309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 8354.

It is an arithmetic number, because the mean of its divisors is an integer number (7027674).

Almost surely, 228096319 is an apocalyptic number.

28096319 is a deficient number, since it is larger than the sum of its proper divisors (14377).

28096319 is a wasteful number, since it uses less digits than its factorization.

28096319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 28096319 is about 5300.5960985534. The cubic root of 28096319 is about 304.0066906134.

The spelling of 28096319 in words is "twenty-eight million, ninety-six thousand, three hundred nineteen".

Divisors: 1 2333 12043 28096319