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2680343 = 4196397
BaseRepresentation
bin1010001110011000010111
312001011201222
422032120113
51141232333
6133240555
731532261
oct12163027
95034658
102680343
111570866
12a9315b
1372b003
144dab31
1537e298
hex28e617

2680343 has 4 divisors (see below), whose sum is σ = 2687160. Its totient is φ = 2673528.

The previous prime is 2680313. The next prime is 2680357. The reversal of 2680343 is 3430862.

2680343 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.

It is a cyclic number.

It is not a de Polignac number, because 2680343 - 28 = 2680087 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680313) 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, 2780 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (671790).

22680343 is an apocalyptic number.

2680343 is a deficient number, since it is larger than the sum of its proper divisors (6817).

2680343 is an equidigital number, since it uses as much as digits as its factorization.

2680343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2680343 is about 1637.1753113213. The cubic root of 2680343 is about 138.9089167444.

The spelling of 2680343 in words is "two million, six hundred eighty thousand, three hundred forty-three".

Divisors: 1 419 6397 2680343