Search a number
-
+
1311364 = 221372393
BaseRepresentation
bin101000000001010000100
32110121212001
411000022010
5313430424
644035044
714101135
oct5001204
92417761
101311364
1181627a
12532a84
1336bb72
14261c8c
151ad844
hex140284

1311364 has 12 divisors (see below), whose sum is σ = 2312604. Its totient is φ = 650624.

The previous prime is 1311353. The next prime is 1311367. The reversal of 1311364 is 4631131.

It can be written as a sum of positive squares in 2 ways, for example, as 311364 + 1000000 = 558^2 + 1000^2 .

It is not an unprimeable number, because it can be changed into a prime (1311367) 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 in 3 ways as a sum of consecutive naturals, for example, 649 + ... + 1744.

It is an arithmetic number, because the mean of its divisors is an integer number (192717).

21311364 is an apocalyptic number.

It is an amenable number.

1311364 is a deficient number, since it is larger than the sum of its proper divisors (1001240).

1311364 is a wasteful number, since it uses less digits than its factorization.

1311364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2532 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1311364 is about 1145.1480253662. The cubic root of 1311364 is about 109.4563812286.

Adding to 1311364 its reverse (4631131), we get a palindrome (5942495).

The spelling of 1311364 in words is "one million, three hundred eleven thousand, three hundred sixty-four".

Divisors: 1 2 4 137 274 548 2393 4786 9572 327841 655682 1311364