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83166282 = 2325978311
BaseRepresentation
bin1001111010100…
…00010001001010
312210111021200200
410331100101022
5132242310112
612130313030
72026621203
oct475202112
9183437620
1083166282
1142a44071
1223a28776
13142cb624
14b08c5aa
15747bcdc
hex4f5044a

83166282 has 24 divisors (see below), whose sum is σ = 183250080. Its totient is φ = 27251880.

The previous prime is 83166271. The next prime is 83166301. The reversal of 83166282 is 28266138.

It is a super-3 number, since 3×831662823 (a number of 25 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 38094 + ... + 40217.

It is an arithmetic number, because the mean of its divisors is an integer number (7635420).

Almost surely, 283166282 is an apocalyptic number.

83166282 is an abundant number, since it is smaller than the sum of its proper divisors (100083798).

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

83166282 is a wasteful number, since it uses less digits than its factorization.

83166282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78378 (or 78375 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 83166282 is about 9119.5549233502. The cubic root of 83166282 is about 436.4981715617.

It can be divided in two parts, 831662 and 82, that added together give a square (831744 = 9122).

The spelling of 83166282 in words is "eighty-three million, one hundred sixty-six thousand, two hundred eighty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 78311 156622 234933 469866 704799 1409598 4620349 9240698 13861047 27722094 41583141 83166282