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1313441 = 5212521
BaseRepresentation
bin101000000101010100001
32110201200222
411000222201
5314012231
644052425
714110163
oct5005241
92421628
101313441
11817898
12534115
1336caac
14262933
151ae27b
hex140aa1

1313441 has 4 divisors (see below), whose sum is σ = 1316484. Its totient is φ = 1310400.

The previous prime is 1313423. The next prime is 1313443. The reversal of 1313441 is 1443131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 1201216 = 335^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313441 - 214 = 1297057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (329121).

21313441 is an apocalyptic number.

It is an amenable number.

1313441 is a deficient number, since it is larger than the sum of its proper divisors (3043).

1313441 is an equidigital number, since it uses as much as digits as its factorization.

1313441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042.

The product of its digits is 144, while the sum is 17.

The square root of 1313441 is about 1146.0545362242. The cubic root of 1313441 is about 109.5141381354.

Adding to 1313441 its reverse (1443131), we get a palindrome (2756572).

The spelling of 1313441 in words is "one million, three hundred thirteen thousand, four hundred forty-one".

Divisors: 1 521 2521 1313441