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2468681 = 10132437
BaseRepresentation
bin1001011010101101001001
311122102101122
421122231021
51112444211
6124525025
726661215
oct11325511
94572348
102468681
111436836
129b0775
13685877
14483945
1533b6db
hex25ab49

2468681 has 4 divisors (see below), whose sum is σ = 2472132. Its totient is φ = 2465232.

The previous prime is 2468657. The next prime is 2468693. The reversal of 2468681 is 1868642.

2468681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 990025 + 1478656 = 995^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2468681 - 214 = 2452297 is a prime.

It is a super-2 number, since 2×24686812 = 12188771759522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2468881) 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, 206 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (618033).

22468681 is an apocalyptic number.

It is an amenable number.

2468681 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2468681 is a wasteful number, since it uses less digits than its factorization.

2468681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its digits is 18432, while the sum is 35.

The square root of 2468681 is about 1571.2036787126. The cubic root of 2468681 is about 135.1517452350.

The spelling of 2468681 in words is "two million, four hundred sixty-eight thousand, six hundred eighty-one".

Divisors: 1 1013 2437 2468681