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1612013 = 13124001
BaseRepresentation
bin110001001100011101101
310000220021012
412021203231
5403041023
654315005
716462514
oct6114355
93026235
101612013
11a01147
12658a65
13445970
142dd67b
1521c978
hex1898ed

1612013 has 4 divisors (see below), whose sum is σ = 1736028. Its totient is φ = 1488000.

The previous prime is 1612007. The next prime is 1612019. The reversal of 1612013 is 3102161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3102161 = 5952579.

It is an interprime number because it is at equal distance from previous prime (1612007) and next prime (1612019).

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 1295044 = 563^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612013 - 26 = 1611949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612019) 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, 61988 + ... + 62013.

It is an arithmetic number, because the mean of its divisors is an integer number (434007).

21612013 is an apocalyptic number.

1612013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1612013 is a deficient number, since it is larger than the sum of its proper divisors (124015).

1612013 is a wasteful number, since it uses less digits than its factorization.

1612013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124014.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1612013 is about 1269.6507393768. The cubic root of 1612013 is about 117.2526985223.

Adding to 1612013 its reverse (3102161), we get a palindrome (4714174).

The spelling of 1612013 in words is "one million, six hundred twelve thousand, thirteen".

Divisors: 1 13 124001 1612013