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83445168 = 24341109389
BaseRepresentation
bin1001111100101…
…00010110110000
312211000110020210
410332110112300
5132330221133
612140304120
72032162242
oct476242660
9184013223
1083445168
1143114654
1223b42040
1314398551
14b122092
1574d4763
hex4f945b0

83445168 has 80 divisors (see below), whose sum is σ = 223423200. Its totient is φ = 26818560.

The previous prime is 83445143. The next prime is 83445179. The reversal of 83445168 is 86154438.

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 15 ways as a sum of consecutive naturals, for example, 214318 + ... + 214706.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 283445168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83445168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111711600).

83445168 is an abundant number, since it is smaller than the sum of its proper divisors (139978032).

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

83445168 is a wasteful number, since it uses less digits than its factorization.

83445168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 83445168 is about 9134.8326749864. The cubic root of 83445168 is about 436.9855381865.

The spelling of 83445168 in words is "eighty-three million, four hundred forty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 109 123 164 218 246 327 328 389 436 492 654 656 778 872 984 1167 1308 1556 1744 1968 2334 2616 3112 4469 4668 5232 6224 8938 9336 13407 15949 17876 18672 26814 31898 35752 42401 47847 53628 63796 71504 84802 95694 107256 127203 127592 169604 191388 214512 254406 255184 339208 382776 508812 678416 765552 1017624 1738441 2035248 3476882 5215323 6953764 10430646 13907528 20861292 27815056 41722584 83445168