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28411 is a prime number
BaseRepresentation
bin110111011111011
31102222021
412323323
51402121
6335311
7145555
oct67373
942867
1028411
111a389
1214537
13cc16
14a4d5
158641
hex6efb

28411 has 2 divisors, whose sum is σ = 28412. Its totient is φ = 28410.

The previous prime is 28409. The next prime is 28429. The reversal of 28411 is 11482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28411 - 21 = 28409 is a prime.

Together with 28409, it forms a pair of twin primes.

It is a plaindrome in base 7.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (28111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14205 + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (14206).

228411 is an apocalyptic number.

28411 is a deficient number, since it is larger than the sum of its proper divisors (1).

28411 is an equidigital number, since it uses as much as digits as its factorization.

28411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 16.

The square root of 28411 is about 168.5556287995. Note that the first 3 decimals coincide. The cubic root of 28411 is about 30.5137445890.

Adding to 28411 its reverse (11482), we get a palindrome (39893).

The spelling of 28411 in words is "twenty-eight thousand, four hundred eleven".