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28853255 = 55770651
BaseRepresentation
bin110111000010…
…0010000000111
32000021220020002
41232010100013
524341301010
62510231515
7500151164
oct156042007
960256202
1028853255
1115317972
1297b559b
135c93042
143b9106b
1527ee1a5
hex1b84407

28853255 has 4 divisors (see below), whose sum is σ = 34623912. Its totient is φ = 23082600.

The previous prime is 28853221. The next prime is 28853263. The reversal of 28853255 is 55235882.

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

It is not a de Polignac number, because 28853255 - 210 = 28852231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885321 + ... + 2885330.

It is an arithmetic number, because the mean of its divisors is an integer number (8655978).

Almost surely, 228853255 is an apocalyptic number.

28853255 is a deficient number, since it is larger than the sum of its proper divisors (5770657).

28853255 is an equidigital number, since it uses as much as digits as its factorization.

28853255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770656.

The product of its digits is 96000, while the sum is 38.

The square root of 28853255 is about 5371.5225960616. The cubic root of 28853255 is about 306.7125909222.

The spelling of 28853255 in words is "twenty-eight million, eight hundred fifty-three thousand, two hundred fifty-five".

Divisors: 1 5 5770651 28853255