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2642113 = 12772069
BaseRepresentation
bin1010000101000011000001
311222020022001
422011003001
51134021423
6132344001
731312645
oct12050301
94866261
102642113
111545071
12a75001
137167a6
144cac25
15372cad
hex2850c1

2642113 has 4 divisors (see below), whose sum is σ = 2645460. Its totient is φ = 2638768.

The previous prime is 2642111. The next prime is 2642117. The reversal of 2642113 is 3112462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 1607824 = 1017^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642113 - 21 = 2642111 is a prime.

It is a super-2 number, since 2×26421132 = 13961522209538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642111) 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, 243 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (661365).

22642113 is an apocalyptic number.

It is an amenable number.

2642113 is a deficient number, since it is larger than the sum of its proper divisors (3347).

2642113 is a wasteful number, since it uses less digits than its factorization.

2642113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346.

The product of its digits is 288, while the sum is 19.

The square root of 2642113 is about 1625.4577816726. The cubic root of 2642113 is about 138.2453278083.

Adding to 2642113 its reverse (3112462), we get a palindrome (5754575).

The spelling of 2642113 in words is "two million, six hundred forty-two thousand, one hundred thirteen".

Divisors: 1 1277 2069 2642113