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198804 = 22316567
BaseRepresentation
bin110000100010010100
3101002201010
4300202110
522330204
64132220
71455414
oct604224
9332633
10198804
11126401
1297070
136c648
1452644
153dd89
hex30894

198804 has 12 divisors (see below), whose sum is σ = 463904. Its totient is φ = 66264.

The previous prime is 198769. The next prime is 198811. The reversal of 198804 is 408891.

It is a happy number.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8272 + ... + 8295.

2198804 is an apocalyptic number.

It is an amenable number.

198804 is an abundant number, since it is smaller than the sum of its proper divisors (265100).

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

198804 is a wasteful number, since it uses less digits than its factorization.

198804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574 (or 16572 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 198804 is about 445.8744217826. The cubic root of 198804 is about 58.3635507842.

The spelling of 198804 in words is "one hundred ninety-eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 16567 33134 49701 66268 99402 198804