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86849968 = 2419927277
BaseRepresentation
bin1010010110100…
…11100110110000
320001102102202111
411023103212300
5134213144333
612341255104
72103132622
oct513234660
9201372674
1086849968
114502a737
1225104494
1314cbb21a
14b76ac12
1579584cd
hex52d39b0

86849968 has 20 divisors (see below), whose sum is σ = 169123600. Its totient is φ = 43205184.

The previous prime is 86849963. The next prime is 86849999. The reversal of 86849968 is 86994868.

It is not an unprimeable number, because it can be changed into a prime (86849963) 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 3 ways as a sum of consecutive naturals, for example, 10455 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (8456180).

Almost surely, 286849968 is an apocalyptic number.

It is an amenable number.

86849968 is a deficient number, since it is larger than the sum of its proper divisors (82273632).

86849968 is a wasteful number, since it uses less digits than its factorization.

86849968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27484 (or 27478 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 86849968 is about 9319.3330233445. Note that the first 3 decimals coincide. The cubic root of 86849968 is about 442.8499033750.

The spelling of 86849968 in words is "eighty-six million, eight hundred forty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 199 398 796 1592 3184 27277 54554 109108 218216 436432 5428123 10856246 21712492 43424984 86849968