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BaseRepresentation
bin101000010110
310112122
4220112
540312
615542
710346
oct5026
93478
102582
111a38
1215b2
131238
14d26
15b72
hexa16

2582 has 4 divisors (see below), whose sum is σ = 3876. Its totient is φ = 1290.

The previous prime is 2579. The next prime is 2591. The reversal of 2582 is 2852.

It is a happy number.

2582 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

2582 is strictly pandigital in base 5.

It is a plaindrome in base 9 and base 13.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2582.

It is a congruent number.

It is an unprimeable number.

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, 644 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (969).

2582 is a deficient number, since it is larger than the sum of its proper divisors (1294).

2582 is a wasteful number, since it uses less digits than its factorization.

2582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

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

The square root of 2582 is about 50.8133840637. The cubic root of 2582 is about 13.7188828008.

The spelling of 2582 in words is "two thousand, five hundred eighty-two".

Divisors: 1 2 1291 2582