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8008404 = 223667367
BaseRepresentation
bin11110100011001011010100
3120001212110120
4132203023110
54022232104
6443351540
7125033055
oct36431324
916055416
108008404
11457a918
1228225b0
131875201
1410c672c
15a82cd9
hex7a32d4

8008404 has 12 divisors (see below), whose sum is σ = 18686304. Its totient is φ = 2669464.

The previous prime is 8008387. The next prime is 8008409. The reversal of 8008404 is 4048008.

8008404 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8008409) 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, 333672 + ... + 333695.

It is an arithmetic number, because the mean of its divisors is an integer number (1557192).

Almost surely, 28008404 is an apocalyptic number.

It is an amenable number.

8008404 is an abundant number, since it is smaller than the sum of its proper divisors (10677900).

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

8008404 is a wasteful number, since it uses less digits than its factorization.

8008404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667374 (or 667372 counting only the distinct ones).

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

The square root of 8008404 is about 2829.9123661343. The cubic root of 8008404 is about 200.0700088243.

The spelling of 8008404 in words is "eight million, eight thousand, four hundred four".

Divisors: 1 2 3 4 6 12 667367 1334734 2002101 2669468 4004202 8008404