Search a number
-
+
804223 = 7114889
BaseRepresentation
bin11000100010101111111
31111212012001
43010111333
5201213343
625123131
76556450
oct3042577
91455161
10804223
114aa252
123294a7
13222094
1416d127
1510d44d
hexc457f

804223 has 4 divisors (see below), whose sum is σ = 919120. Its totient is φ = 689328.

The previous prime is 804211. The next prime is 804239. The reversal of 804223 is 322408.

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 804223 - 25 = 804191 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 804223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804203) 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, 57438 + ... + 57451.

It is an arithmetic number, because the mean of its divisors is an integer number (229780).

2804223 is an apocalyptic number.

804223 is a deficient number, since it is larger than the sum of its proper divisors (114897).

804223 is a wasteful number, since it uses less digits than its factorization.

804223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114896.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 804223 is about 896.7848125387. The cubic root of 804223 is about 92.9948353397.

The spelling of 804223 in words is "eight hundred four thousand, two hundred twenty-three".

Divisors: 1 7 114889 804223