Search a number
-
+
198229472 = 2571994447
BaseRepresentation
bin10111101000010…
…11110111100000
3111211000002201022
423310023313200
5401221320342
631400425012
74624631330
oct1364136740
9454002638
10198229472
11a1993811
1256478168
13320b745c
141c4810c0
15126099d2
hexbd0bde0

198229472 has 48 divisors (see below), whose sum is σ = 448358400. Its totient is φ = 84509568.

The previous prime is 198229417. The next prime is 198229511. The reversal of 198229472 is 274922891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42353 + ... + 46799.

It is an arithmetic number, because the mean of its divisors is an integer number (9340800).

Almost surely, 2198229472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198229472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224179200).

198229472 is an abundant number, since it is smaller than the sum of its proper divisors (250128928).

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

198229472 is a wasteful number, since it uses less digits than its factorization.

198229472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663 (or 4655 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 198229472 is about 14079.3988508033. The cubic root of 198229472 is about 583.0727450669.

The spelling of 198229472 in words is "one hundred ninety-eight million, two hundred twenty-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 199 224 398 796 1393 1592 2786 3184 4447 5572 6368 8894 11144 17788 22288 31129 35576 44576 62258 71152 124516 142304 249032 498064 884953 996128 1769906 3539812 6194671 7079624 12389342 14159248 24778684 28318496 49557368 99114736 198229472