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804193 = 1361861
BaseRepresentation
bin11000100010101100001
31111212010221
43010111201
5201213233
625123041
76556405
oct3042541
91455127
10804193
114aa225
12329481
13222070
1416d105
1510d42d
hexc4561

804193 has 4 divisors (see below), whose sum is σ = 866068. Its totient is φ = 742320.

The previous prime is 804191. The next prime is 804197. The reversal of 804193 is 391408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 589824 = 463^2 + 768^2 .

It is a cyclic number.

It is not a de Polignac number, because 804193 - 21 = 804191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804191) 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, 30918 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (216517).

2804193 is an apocalyptic number.

It is an amenable number.

804193 is a deficient number, since it is larger than the sum of its proper divisors (61875).

804193 is a wasteful number, since it uses less digits than its factorization.

804193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61874.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 804193 is about 896.7680859620. The cubic root of 804193 is about 92.9936789938.

The spelling of 804193 in words is "eight hundred four thousand, one hundred ninety-three".

Divisors: 1 13 61861 804193