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804873 = 3268291
BaseRepresentation
bin11000100100000001001
31111220002010
43010200021
5201223443
625130133
76561366
oct3044011
91456063
10804873
114aa793
12329949
13222474
1416d46d
1510d733
hexc4809

804873 has 4 divisors (see below), whose sum is σ = 1073168. Its totient is φ = 536580.

The previous prime is 804857. The next prime is 804877. The reversal of 804873 is 378408.

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 804873 - 24 = 804857 is a prime.

It is a super-2 number, since 2×8048732 = 1295641092258, which contains 22 as substring.

It is a D-number.

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 804873.

It is not an unprimeable number, because it can be changed into a prime (804877) 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, 134143 + ... + 134148.

It is an arithmetic number, because the mean of its divisors is an integer number (268292).

2804873 is an apocalyptic number.

It is an amenable number.

804873 is a deficient number, since it is larger than the sum of its proper divisors (268295).

804873 is a wasteful number, since it uses less digits than its factorization.

804873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268294.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 804873 is about 897.1471451217. The cubic root of 804873 is about 93.0198824411.

The spelling of 804873 in words is "eight hundred four thousand, eight hundred seventy-three".

Divisors: 1 3 268291 804873