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1330013 = 6012213
BaseRepresentation
bin101000100101101011101
32111120102202
411010231131
5320030023
644301245
714206406
oct5045535
92446382
101330013
11829293
12541825
133774b9
142689ad
151b4128
hex144b5d

1330013 has 4 divisors (see below), whose sum is σ = 1332828. Its totient is φ = 1327200.

The previous prime is 1330009. The next prime is 1330031. The reversal of 1330013 is 3100331.

1330013 is nontrivially palindromic in base 5.

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 1249924 + 80089 = 1118^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330013 - 22 = 1330009 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1329976 and 1330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 506 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (333207).

21330013 is an apocalyptic number.

It is an amenable number.

1330013 is a deficient number, since it is larger than the sum of its proper divisors (2815).

1330013 is an equidigital number, since it uses as much as digits as its factorization.

1330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1330013 is about 1153.2618956681. The cubic root of 1330013 is about 109.9728031937.

Adding to 1330013 its reverse (3100331), we get a palindrome (4430344).

The spelling of 1330013 in words is "one million, three hundred thirty thousand, thirteen".

Divisors: 1 601 2213 1330013