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198082617 = 3132749757
BaseRepresentation
bin10111100111010…
…00000000111001
3111210201122021020
423303220000321
5401202120432
631353333053
74623450225
oct1363500071
9453648236
10198082617
11a18a3447
1256407189
1332065665
141c443785
15125cb22c
hexbce8039

198082617 has 8 divisors (see below), whose sum is σ = 264314496. Its totient is φ = 131952912.

The previous prime is 198082613. The next prime is 198082631. The reversal of 198082617 is 716280891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198082617 - 22 = 198082613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198082613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20898 + ... + 28859.

It is an arithmetic number, because the mean of its divisors is an integer number (33039312).

Almost surely, 2198082617 is an apocalyptic number.

It is an amenable number.

198082617 is a deficient number, since it is larger than the sum of its proper divisors (66231879).

198082617 is a wasteful number, since it uses less digits than its factorization.

198082617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51087.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 198082617 is about 14074.1826405657. The cubic root of 198082617 is about 582.9287229210.

The spelling of 198082617 in words is "one hundred ninety-eight million, eighty-two thousand, six hundred seventeen".

Divisors: 1 3 1327 3981 49757 149271 66027539 198082617