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199284960 = 25357237229
BaseRepresentation
bin10111110000011…
…01100011100000
3111212222201120110
423320031203200
5402004104320
631435211320
74636615500
oct1370154340
9455881513
10199284960
11a2544816
12568a6b40
13323969c4
141c677a00
15127675e0
hexbe0d8e0

199284960 has 288 divisors, whose sum is σ = 753248160. Its totient is φ = 44126208.

The previous prime is 199284947. The next prime is 199284979. The reversal of 199284960 is 69482991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 870126 + ... + 870354.

It is an arithmetic number, because the mean of its divisors is an integer number (2615445).

Almost surely, 2199284960 is an apocalyptic number.

199284960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199284960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376624080).

199284960 is an abundant number, since it is smaller than the sum of its proper divisors (553963200).

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

199284960 is a wasteful number, since it uses less digits than its factorization.

199284960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 199284960 is about 14116.8325059129. The cubic root of 199284960 is about 584.1057855532.

The spelling of 199284960 in words is "one hundred ninety-nine million, two hundred eighty-four thousand, nine hundred sixty".