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198274230 = 23457112172
BaseRepresentation
bin10111101000101…
…10110010110110
3111211002101010000
423310112302312
5401224233410
631401412130
74625205660
oct1364266266
9454071100
10198274230
11a1a14400
125649a046
133210193b
141c493530
1512617dc0
hexbd16cb6

198274230 has 360 divisors, whose sum is σ = 711439344. Its totient is φ = 38776320.

The previous prime is 198274199. The next prime is 198274243. The reversal of 198274230 is 32472891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 11663182 + ... + 11663198.

Almost surely, 2198274230 is an apocalyptic number.

198274230 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 198274230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355719672).

198274230 is an abundant number, since it is smaller than the sum of its proper divisors (513165114).

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

198274230 is a wasteful number, since it uses less digits than its factorization.

198274230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 198274230 is about 14080.9882465685. The cubic root of 198274230 is about 583.1166255350.

The spelling of 198274230 in words is "one hundred ninety-eight million, two hundred seventy-four thousand, two hundred thirty".