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198808350 = 235213432371
BaseRepresentation
bin10111101100110…
…01001100011110
3111212002111210020
423312121030132
5401343331400
631421053010
74632562116
oct1366311436
9455074706
10198808350
11a2249724
12566b7166
133225aaa0
141c592046
15126c12a0
hexbd9931e

198808350 has 96 divisors (see below), whose sum is σ = 543548544. Its totient is φ = 47779200.

The previous prime is 198808327. The next prime is 198808391. The reversal of 198808350 is 53808891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82665 + ... + 85035.

It is an arithmetic number, because the mean of its divisors is an integer number (5661964).

Almost surely, 2198808350 is an apocalyptic number.

198808350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 198808350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271774272).

198808350 is an abundant number, since it is smaller than the sum of its proper divisors (344740194).

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

198808350 is a wasteful number, since it uses less digits than its factorization.

198808350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 198808350 is about 14099.9414892403. The cubic root of 198808350 is about 583.6397646237.

The spelling of 198808350 in words is "one hundred ninety-eight million, eight hundred eight thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 43 50 65 75 78 86 129 130 150 195 215 258 325 390 430 559 645 650 975 1075 1118 1290 1677 1950 2150 2371 2795 3225 3354 4742 5590 6450 7113 8385 11855 13975 14226 16770 23710 27950 30823 35565 41925 59275 61646 71130 83850 92469 101953 118550 154115 177825 184938 203906 305859 308230 355650 462345 509765 611718 770575 924690 1019530 1325389 1529295 1541150 2311725 2548825 2650778 3058590 3976167 4623450 5097650 6626945 7646475 7952334 13253890 15292950 19880835 33134725 39761670 66269450 99404175 198808350