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28301 = 713311
BaseRepresentation
bin110111010001101
31102211012
412322031
51401201
6335005
7145340
oct67215
942735
1028301
111a299
1214465
13cb60
14a457
1585bb
hex6e8d

28301 has 8 divisors (see below), whose sum is σ = 34944. Its totient is φ = 22320.

The previous prime is 28297. The next prime is 28307. The reversal of 28301 is 10382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28301 - 22 = 28297 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 246.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

228301 is an apocalyptic number.

It is an amenable number.

28301 is a deficient number, since it is larger than the sum of its proper divisors (6643).

28301 is a wasteful number, since it uses less digits than its factorization.

28301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 28301 is about 168.2290105778. The cubic root of 28301 is about 30.4743132292.

Adding to 28301 its reverse (10382), we get a palindrome (38683).

The spelling of 28301 in words is "twenty-eight thousand, three hundred one".

Divisors: 1 7 13 91 311 2177 4043 28301