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28096317 = 3223135731
BaseRepresentation
bin110101100101…
…1011100111101
31221212102220100
41223023130331
524143040232
62442111313
7460546314
oct153133475
957772810
1028096317
11149501a7
1294ab539
135a89652
143a3527b
1526eec7c
hex1acb73d

28096317 has 12 divisors (see below), whose sum is σ = 42348384. Its totient is φ = 17916360.

The previous prime is 28096309. The next prime is 28096339. The reversal of 28096317 is 71369082.

It is not a de Polignac number, because 28096317 - 23 = 28096309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28096217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67659 + ... + 68072.

It is an arithmetic number, because the mean of its divisors is an integer number (3529032).

Almost surely, 228096317 is an apocalyptic number.

It is an amenable number.

28096317 is a deficient number, since it is larger than the sum of its proper divisors (14252067).

28096317 is a wasteful number, since it uses less digits than its factorization.

28096317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135760 (or 135757 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 28096317 is about 5300.5959098954. The cubic root of 28096317 is about 304.0066833999.

The spelling of 28096317 in words is "twenty-eight million, ninety-six thousand, three hundred seventeen".

Divisors: 1 3 9 23 69 207 135731 407193 1221579 3121813 9365439 28096317