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198341 = 11131973
BaseRepresentation
bin110000011011000101
3101002001222
4300123011
522321331
64130125
71454153
oct603305
9332058
10198341
11126020
1296945
136c380
14523d3
153db7b
hex306c5

198341 has 16 divisors (see below), whose sum is σ = 248640. Its totient is φ = 155520.

The previous prime is 198337. The next prime is 198347. The reversal of 198341 is 143891.

It is a cyclic number.

It is not a de Polignac number, because 198341 - 22 = 198337 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (15540).

2198341 is an apocalyptic number.

198341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

198341 is a deficient number, since it is larger than the sum of its proper divisors (50299).

198341 is a wasteful number, since it uses less digits than its factorization.

198341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116.

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

The square root of 198341 is about 445.3549146467. The cubic root of 198341 is about 58.3182074160.

Multiplying 198341 by its sum of digits (26), we get a triangular number (5156866 = T3211).

The spelling of 198341 in words is "one hundred ninety-eight thousand, three hundred forty-one".

Divisors: 1 11 13 19 73 143 209 247 803 949 1387 2717 10439 15257 18031 198341