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2013397 = 2387539
BaseRepresentation
bin111101011100011010101
310210021212021
413223203111
51003412042
6111053141
723053651
oct7534325
93707767
102013397
111155771
128111b1
13556579
143a5a61
1529b867
hex1eb8d5

2013397 has 4 divisors (see below), whose sum is σ = 2100960. Its totient is φ = 1925836.

The previous prime is 2013391. The next prime is 2013409. The reversal of 2013397 is 7933102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2013397 - 219 = 1489109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43747 + ... + 43792.

It is an arithmetic number, because the mean of its divisors is an integer number (525240).

22013397 is an apocalyptic number.

It is an amenable number.

2013397 is a deficient number, since it is larger than the sum of its proper divisors (87563).

2013397 is an equidigital number, since it uses as much as digits as its factorization.

2013397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87562.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2013397 is about 1418.9422116492. The cubic root of 2013397 is about 126.2727985491.

Adding to 2013397 its reverse (7933102), we get a palindrome (9946499).

The spelling of 2013397 in words is "two million, thirteen thousand, three hundred ninety-seven".

Divisors: 1 23 87539 2013397