Search a number
-
+
2528 = 2579
BaseRepresentation
bin100111100000
310110122
4213200
540103
615412
710241
oct4740
93418
102528
111999
121568
1311c6
14cc8
15b38
hex9e0

2528 has 12 divisors (see below), whose sum is σ = 5040. Its totient is φ = 1248.

The previous prime is 2521. The next prime is 2531. The reversal of 2528 is 8252.

It can be divided in two parts, 252 and 8, that multiplied together give a triangular number (2016 = T63).

It is a happy number.

It is a plaindrome in base 11 and base 12.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8 + ... + 71.

It is an arithmetic number, because the mean of its divisors is an integer number (420).

22528 is an apocalyptic number.

It is an amenable number.

2528 is a deficient number, since it is larger than the sum of its proper divisors (2512).

2528 is an equidigital number, since it uses as much as digits as its factorization.

2528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 81 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 2528 is about 50.2792203599. The cubic root of 2528 is about 13.6225692154.

The spelling of 2528 in words is "two thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 32 79 158 316 632 1264 2528