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1326 = 231317
BaseRepresentation
bin10100101110
31211010
4110232
520301
610050
73603
oct2456
91733
101326
11aa6
12926
137b0
146aa
155d6
hex52e

1326 has 16 divisors (see below), whose sum is σ = 3024. Its totient is φ = 384.

The previous prime is 1321. The next prime is 1327. The reversal of 1326 is 6231.

Adding to 1326 its reverse (6231), we get a palindrome (7557).

1326 = T3 + T4 + ... + T19.

1326 is a nontrivial binomial coefficient, being equal to C(52, 2).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 1 + 2 + 33 + 64 .

It is one of the 548 Lynch-Bell numbers.

It is a plaindrome in base 8 and base 14.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 1326.

It is not an unprimeable number, because it can be changed into a prime (1321) by changing a digit.

1326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 86.

It is an arithmetic number, because the mean of its divisors is an integer number (189).

1326 is the 51-st triangular number and also the 26-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512).

1326 is an abundant number, since it is smaller than the sum of its proper divisors (1698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326 is a wasteful number, since it uses less digits than its factorization.

1326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35.

The product of its digits is 36, while the sum is 12.

The square root of 1326 is about 36.4142829121. The cubic root of 1326 is about 10.9862086114.

The spelling of 1326 in words is "one thousand, three hundred twenty-six".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326