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2864013 = 3954671
BaseRepresentation
bin1010111011001110001101
312101111200120
422323032031
51213122023
6141215153
733225615
oct12731615
95344616
102864013
111686859
12b614b9
137937a9
14547a45
153b88e3
hex2bb38d

2864013 has 4 divisors (see below), whose sum is σ = 3818688. Its totient is φ = 1909340.

The previous prime is 2863979. The next prime is 2864021. The reversal of 2864013 is 3104682.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2864013 - 218 = 2601869 is a prime.

It is a D-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 (2864023) 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, 477333 + ... + 477338.

It is an arithmetic number, because the mean of its divisors is an integer number (954672).

22864013 is an apocalyptic number.

It is an amenable number.

2864013 is a deficient number, since it is larger than the sum of its proper divisors (954675).

2864013 is an equidigital number, since it uses as much as digits as its factorization.

2864013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954674.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2864013 is about 1692.3395049457. The cubic root of 2864013 is about 142.0119840445.

Adding to 2864013 its reverse (3104682), we get a palindrome (5968695).

The spelling of 2864013 in words is "two million, eight hundred sixty-four thousand, thirteen".

Divisors: 1 3 954671 2864013