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216170982 = 23212009499
BaseRepresentation
bin11001110001010…
…00000111100110
3120001202121211200
430320220013212
5420314432412
633241143330
75233265046
oct1470500746
9501677750
10216170982
11101028505
126048ab46
1335a29931
14209d1726
1513ea09dc
hexce281e6

216170982 has 12 divisors (see below), whose sum is σ = 468370500. Its totient is φ = 72056988.

The previous prime is 216170971. The next prime is 216170987. The reversal of 216170982 is 289071612.

216170982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216170987) 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 5 ways as a sum of consecutive naturals, for example, 6004732 + ... + 6004767.

It is an arithmetic number, because the mean of its divisors is an integer number (39030875).

Almost surely, 2216170982 is an apocalyptic number.

216170982 is an abundant number, since it is smaller than the sum of its proper divisors (252199518).

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

216170982 is a wasteful number, since it uses less digits than its factorization.

216170982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12009507 (or 12009504 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 216170982 is about 14702.7542317758. The cubic root of 216170982 is about 600.1582749114.

The spelling of 216170982 in words is "two hundred sixteen million, one hundred seventy thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 12009499 24018998 36028497 72056994 108085491 216170982