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5285 = 57151
BaseRepresentation
bin1010010100101
321020202
41102211
5132120
640245
721260
oct12245
97222
105285
113a75
123085
132537
141cd7
151875
hex14a5

5285 has 8 divisors (see below), whose sum is σ = 7296. Its totient is φ = 3600.

The previous prime is 5281. The next prime is 5297. The reversal of 5285 is 5825.

5285 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 5285 - 22 = 5281 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 110.

It is an arithmetic number, because the mean of its divisors is an integer number (912).

It is an amenable number.

5285 is a deficient number, since it is larger than the sum of its proper divisors (2011).

5285 is a wasteful number, since it uses less digits than its factorization.

5285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its digits is 400, while the sum is 20.

The square root of 5285 is about 72.6980054747. The cubic root of 5285 is about 17.4186702314.

The spelling of 5285 in words is "five thousand, two hundred eighty-five".

Divisors: 1 5 7 35 151 755 1057 5285