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199902216 = 23360113859
BaseRepresentation
bin10111110101001…
…00010000001000
3111221011002021210
423322210100020
5402133332331
631500333120
74645066203
oct1372442010
9457132253
10199902216
11a2926548
1256b441a0
1332551947
141c79893a
151283a446
hexbea4408

199902216 has 32 divisors (see below), whose sum is σ = 500623200. Its totient is φ = 66518400.

The previous prime is 199902203. The next prime is 199902221. The reversal of 199902216 is 612209991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7495 + ... + 21353.

It is an arithmetic number, because the mean of its divisors is an integer number (15644475).

Almost surely, 2199902216 is an apocalyptic number.

It is an amenable number.

199902216 is an abundant number, since it is smaller than the sum of its proper divisors (300720984).

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

199902216 is a wasteful number, since it uses less digits than its factorization.

199902216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469 (or 14465 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 199902216 is about 14138.6780145811. The cubic root of 199902216 is about 584.7082247223.

The spelling of 199902216 in words is "one hundred ninety-nine million, nine hundred two thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 601 1202 1803 2404 3606 4808 7212 13859 14424 27718 41577 55436 83154 110872 166308 332616 8329259 16658518 24987777 33317036 49975554 66634072 99951108 199902216