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198424230 = 2356614141
BaseRepresentation
bin10111101001110…
…11011010100110
3111211100222212120
423310323122212
5401244033410
631404530410
74626402204
oct1364733246
9454328776
10198424230
11a2007074
1256550a06
1332154cb4
141c4d2074
1512647570
hexbd3b6a6

198424230 has 16 divisors (see below), whose sum is σ = 476218224. Its totient is φ = 52913120.

The previous prime is 198424207. The next prime is 198424249. The reversal of 198424230 is 32424891.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198424191 and 198424200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307041 + ... + 3307100.

It is an arithmetic number, because the mean of its divisors is an integer number (29763639).

Almost surely, 2198424230 is an apocalyptic number.

198424230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198424230 is an abundant number, since it is smaller than the sum of its proper divisors (277793994).

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

198424230 is a wasteful number, since it uses less digits than its factorization.

198424230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614151.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 198424230 is about 14086.3135702710. The cubic root of 198424230 is about 583.2636364802.

The spelling of 198424230 in words is "one hundred ninety-eight million, four hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6614141 13228282 19842423 33070705 39684846 66141410 99212115 198424230