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808404 = 2232329101
BaseRepresentation
bin11000101010111010100
31112001220220
43011113110
5201332104
625154340
76604602
oct3052724
91461826
10808404
11502403
1232b9b0
13223c5c
14170872
1510e7d9
hexc55d4

808404 has 48 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 246400.

The previous prime is 808399. The next prime is 808417. The reversal of 808404 is 404808.

808404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 808404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7954 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2808404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028160).

808404 is an abundant number, since it is smaller than the sum of its proper divisors (1247916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808404 is a wasteful number, since it uses less digits than its factorization.

808404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 808404 is about 899.1128961371. The cubic root of 808404 is about 93.1557109346.

The spelling of 808404 in words is "eight hundred eight thousand, four hundred four".

Divisors: 1 2 3 4 6 12 23 29 46 58 69 87 92 101 116 138 174 202 276 303 348 404 606 667 1212 1334 2001 2323 2668 2929 4002 4646 5858 6969 8004 8787 9292 11716 13938 17574 27876 35148 67367 134734 202101 269468 404202 808404