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28527 = 337257
BaseRepresentation
bin110111101101111
31110010120
412331233
51403102
6340023
7146112
oct67557
943116
1028527
111a484
1214613
13cca5
14a579
1586bc
hex6f6f

28527 has 8 divisors (see below), whose sum is σ = 39216. Its totient is φ = 18432.

The previous prime is 28517. The next prime is 28537. The reversal of 28527 is 72582.

It is an interprime number because it is at equal distance from previous prime (28517) and next prime (28537).

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

It is not a de Polignac number, because 28527 - 26 = 28463 is a prime.

28527 is an undulating number in base 16.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 28497 and 28506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28517) 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, 18 + ... + 239.

It is an arithmetic number, because the mean of its divisors is an integer number (4902).

228527 is an apocalyptic number.

28527 is a deficient number, since it is larger than the sum of its proper divisors (10689).

28527 is a wasteful number, since it uses less digits than its factorization.

28527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its digits is 1120, while the sum is 24.

The square root of 28527 is about 168.8993783292. The cubic root of 28527 is about 30.5552166476. Note that the first 3 decimals are identical.

It can be divided in two parts, 28 and 527, that added together give a palindrome (555).

The spelling of 28527 in words is "twenty-eight thousand, five hundred twenty-seven".

Divisors: 1 3 37 111 257 771 9509 28527