Search a number
-
+
13211300 = 2252132113
BaseRepresentation
bin110010011001…
…011010100100
3220212012111102
4302121122210
511340230200
61151055232
7220202624
oct62313244
926765442
1013211300
117503933
124511518
13297744b
141a7c884
15125e6d5
hexc996a4

13211300 has 18 divisors (see below), whose sum is σ = 28668738. Its totient is φ = 5284480.

The previous prime is 13211273. The next prime is 13211311. The reversal of 13211300 is 311231.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 13118884 = 304^2 + 3622^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65957 + ... + 66156.

Almost surely, 213211300 is an apocalyptic number.

13211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211300 is an abundant number, since it is smaller than the sum of its proper divisors (15457438).

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

13211300 is a wasteful number, since it uses less digits than its factorization.

13211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132127 (or 132120 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13211300 is about 3634.7352035602. The cubic root of 13211300 is about 236.4005693587.

Adding to 13211300 its reverse (311231), we get a palindrome (13522531).

The spelling of 13211300 in words is "thirteen million, two hundred eleven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 132113 264226 528452 660565 1321130 2642260 3302825 6605650 13211300