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198134 = 2157631
BaseRepresentation
bin110000010111110110
3101001210022
4300113312
522320014
64125142
71453436
oct602766
9331708
10198134
11125952
12967b2
136c251
14522c6
153da8e
hex305f6

198134 has 8 divisors (see below), whose sum is σ = 299568. Its totient is φ = 98280.

The previous prime is 198127. The next prime is 198139. The reversal of 198134 is 431891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1981343 = 23334488028810312, which contains 333 as substring.

It is a Curzon number.

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 198134.

It is not an unprimeable number, because it can be changed into a prime (198139) by changing a digit.

198134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 629.

It is an arithmetic number, because the mean of its divisors is an integer number (37446).

2198134 is an apocalyptic number.

198134 is a deficient number, since it is larger than the sum of its proper divisors (101434).

198134 is a wasteful number, since it uses less digits than its factorization.

198134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 864, while the sum is 26.

The square root of 198134 is about 445.1224550615. The cubic root of 198134 is about 58.2979122829.

The spelling of 198134 in words is "one hundred ninety-eight thousand, one hundred thirty-four".

Divisors: 1 2 157 314 631 1262 99067 198134