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2680339 = 17157667
BaseRepresentation
bin1010001110011000010011
312001011201211
422032120103
51141232324
6133240551
731532254
oct12163023
95034654
102680339
111570862
12a93157
1372accc
144dab2b
1537e294
hex28e613

2680339 has 4 divisors (see below), whose sum is σ = 2838024. Its totient is φ = 2522656.

The previous prime is 2680313. The next prime is 2680357. The reversal of 2680339 is 9330862.

It is a happy number.

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 2680339 - 215 = 2647571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2680339.

It is not an unprimeable number, because it can be changed into a prime (2680399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78817 + ... + 78850.

It is an arithmetic number, because the mean of its divisors is an integer number (709506).

22680339 is an apocalyptic number.

2680339 is a deficient number, since it is larger than the sum of its proper divisors (157685).

2680339 is a wasteful number, since it uses less digits than its factorization.

2680339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157684.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2680339 is about 1637.1740897046. The cubic root of 2680339 is about 138.9088476443.

The spelling of 2680339 in words is "two million, six hundred eighty thousand, three hundred thirty-nine".

Divisors: 1 17 157667 2680339