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28895963 is a prime number
BaseRepresentation
bin110111000111…
…0101011011011
32000101001210212
41232032223123
524344132323
62511201335
7500416535
oct156165333
960331725
1028895963
1115346a68
12981624b
135ca9605
143ba2855
15280bb78
hex1b8eadb

28895963 has 2 divisors, whose sum is σ = 28895964. Its totient is φ = 28895962.

The previous prime is 28895959. The next prime is 28896011. The reversal of 28895963 is 36959882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28895963 - 22 = 28895959 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28825963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14447981 + 14447982.

It is an arithmetic number, because the mean of its divisors is an integer number (14447982).

Almost surely, 228895963 is an apocalyptic number.

28895963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28895963 is an equidigital number, since it uses as much as digits as its factorization.

28895963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 28895963 is about 5375.4965352049. The cubic root of 28895963 is about 306.8638462271.

The spelling of 28895963 in words is "twenty-eight million, eight hundred ninety-five thousand, nine hundred sixty-three".