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8204404 = 2213179281
BaseRepresentation
bin11111010011000001110100
3120102211022211
4133103001310
54100020104
6451503204
7126510355
oct37230164
916384284
108204404
1146a40aa
1228b7b04
1319134a0
141137d2c
15ac0e04
hex7d3074

8204404 has 24 divisors (see below), whose sum is σ = 16373448. Its totient is φ = 3563520.

The previous prime is 8204389. The next prime is 8204423. The reversal of 8204404 is 4044028.

It can be written as a sum of positive squares in 4 ways, for example, as 2396304 + 5808100 = 1548^2 + 2410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (682227).

Almost surely, 28204404 is an apocalyptic number.

It is an amenable number.

8204404 is a deficient number, since it is larger than the sum of its proper divisors (8169044).

8204404 is a wasteful number, since it uses less digits than its factorization.

8204404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315 (or 9313 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 8204404 is about 2864.3330811901. Note that the first 3 decimals coincide. The cubic root of 8204404 is about 201.6890618604.

The spelling of 8204404 in words is "eight million, two hundred four thousand, four hundred four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 9281 18562 37124 120653 157777 241306 315554 482612 631108 2051101 4102202 8204404