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198284 = 22192609
BaseRepresentation
bin110000011010001100
3101001222212
4300122030
522321114
64125552
71454042
oct603214
9331885
10198284
11125a79
12968b8
136c338
1452392
153db3e
hex3068c

198284 has 12 divisors (see below), whose sum is σ = 365400. Its totient is φ = 93888.

The previous prime is 198281. The next prime is 198301. The reversal of 198284 is 482891.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 198284.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198284.

It is not an unprimeable number, because it can be changed into a prime (198281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (30450).

2198284 is an apocalyptic number.

It is an amenable number.

198284 is a deficient number, since it is larger than the sum of its proper divisors (167116).

198284 is a wasteful number, since it uses less digits than its factorization.

198284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2630 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 198284 is about 445.2909161436. The cubic root of 198284 is about 58.3126203105.

The spelling of 198284 in words is "one hundred ninety-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 19 38 76 2609 5218 10436 49571 99142 198284