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806349 = 3268783
BaseRepresentation
bin11000100110111001101
31111222002210
43010313031
5201300344
625141033
76565605
oct3046715
91458083
10806349
11500905
1232a779
1322303b
1416dc05
1510ddb9
hexc4dcd

806349 has 4 divisors (see below), whose sum is σ = 1075136. Its totient is φ = 537564.

The previous prime is 806329. The next prime is 806363. The reversal of 806349 is 943608.

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 not a de Polignac number, because 806349 - 25 = 806317 is a prime.

It is a D-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 (806329) 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, 134389 + ... + 134394.

It is an arithmetic number, because the mean of its divisors is an integer number (268784).

2806349 is an apocalyptic number.

It is an amenable number.

806349 is a deficient number, since it is larger than the sum of its proper divisors (268787).

806349 is a wasteful number, since it uses less digits than its factorization.

806349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268786.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 806349 is about 897.9693758698. The cubic root of 806349 is about 93.0767085927.

The spelling of 806349 in words is "eight hundred six thousand, three hundred forty-nine".

Divisors: 1 3 268783 806349