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28753 is a prime number
BaseRepresentation
bin111000001010001
31110102221
413001101
51410003
6341041
7146554
oct70121
943387
1028753
111a66a
1214781
131011a
14a69b
1587bd
hex7051

28753 has 2 divisors, whose sum is σ = 28754. Its totient is φ = 28752.

The previous prime is 28751. The next prime is 28759. The reversal of 28753 is 35782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28224 + 529 = 168^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 28753 - 21 = 28751 is a prime.

It is a super-3 number, since 3×287533 = 71313335141331, which contains 333 as substring.

Together with 28751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376 + 14377.

It is an arithmetic number, because the mean of its divisors is an integer number (14377).

228753 is an apocalyptic number.

It is an amenable number.

28753 is a deficient number, since it is larger than the sum of its proper divisors (1).

28753 is an equidigital number, since it uses as much as digits as its factorization.

28753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 28753 is about 169.5670958647. The cubic root of 28753 is about 30.6356938914.

The spelling of 28753 in words is "twenty-eight thousand, seven hundred fifty-three".