Search a number
-
+
2685413 = 5714703
BaseRepresentation
bin1010001111100111100101
312001102200202
422033213211
51141413123
6133320245
731553123
oct12174745
95042622
102685413
111574655
12a96085
13730403
144dc913
15380a28
hex28f9e5

2685413 has 4 divisors (see below), whose sum is σ = 2690688. Its totient is φ = 2680140.

The previous prime is 2685409. The next prime is 2685461. The reversal of 2685413 is 3145862.

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 2685413 - 22 = 2685409 is a prime.

It is a super-2 number, since 2×26854132 = 14422885961138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685113) 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, 1781 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (672672).

22685413 is an apocalyptic number.

It is an amenable number.

2685413 is a deficient number, since it is larger than the sum of its proper divisors (5275).

2685413 is an equidigital number, since it uses as much as digits as its factorization.

2685413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274.

The product of its digits is 5760, while the sum is 29.

The square root of 2685413 is about 1638.7229784195. The cubic root of 2685413 is about 138.9964459178.

The spelling of 2685413 in words is "two million, six hundred eighty-five thousand, four hundred thirteen".

Divisors: 1 571 4703 2685413