Search a number
-
+
802943 = 6113163
BaseRepresentation
bin11000100000001111111
31111210102122
43010001333
5201143233
625113155
76552641
oct3040177
91453378
10802943
114a9299
123287bb
1322161b
1416c891
1510cd98
hexc407f

802943 has 4 divisors (see below), whose sum is σ = 816168. Its totient is φ = 789720.

The previous prime is 802933. The next prime is 802951. The reversal of 802943 is 349208.

802943 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 a de Polignac number, because none of the positive numbers 2k-802943 is a prime.

It is a super-2 number, since 2×8029432 = 1289434922498, which contains 22 as substring.

It is a Duffinian number.

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 802943.

It is not an unprimeable number, because it can be changed into a prime (802913) 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, 6521 + ... + 6642.

It is an arithmetic number, because the mean of its divisors is an integer number (204042).

2802943 is an apocalyptic number.

802943 is a deficient number, since it is larger than the sum of its proper divisors (13225).

802943 is a wasteful number, since it uses less digits than its factorization.

802943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13224.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 802943 is about 896.0708677331. The cubic root of 802943 is about 92.9454723329.

The spelling of 802943 in words is "eight hundred two thousand, nine hundred forty-three".

Divisors: 1 61 13163 802943