Search a number
-
+
806943 = 3475997
BaseRepresentation
bin11000101000000011111
31111222220210
43011000133
5201310233
625143503
76600414
oct3050037
91458823
10806943
115012a5
1232ab93
132233a7
1417010b
1510e163
hexc501f

806943 has 16 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 512256.

The previous prime is 806941. The next prime is 806947. The reversal of 806943 is 349608.

It is not a de Polignac number, because 806943 - 21 = 806941 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 806943.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806943.

It is not an unprimeable number, because it can be changed into a prime (806941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8271 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2806943 is an apocalyptic number.

806943 is a deficient number, since it is larger than the sum of its proper divisors (322017).

806943 is a wasteful number, since it uses less digits than its factorization.

806943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206.

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

The square root of 806943 is about 898.3000612268. The cubic root of 806943 is about 93.0995580845.

The spelling of 806943 in words is "eight hundred six thousand, nine hundred forty-three".

Divisors: 1 3 47 59 97 141 177 291 2773 4559 5723 8319 13677 17169 268981 806943