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86236668 = 223272193183
BaseRepresentation
bin1010010001111…
…01110111111100
320000021021110200
411020331313330
5134034033133
612320203500
72064666600
oct510756774
9200237420
1086236668
1144750981
1224a69590
1314b3501b
14b64b500
157886913
hex523ddfc

86236668 has 216 divisors, whose sum is σ = 278853120. Its totient is φ = 22317120.

The previous prime is 86236643. The next prime is 86236669. The reversal of 86236668 is 86663268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86236669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1038955 + ... + 1039037.

Almost surely, 286236668 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 86236668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139426560).

86236668 is an abundant number, since it is smaller than the sum of its proper divisors (192616452).

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

86236668 is a wasteful number, since it uses less digits than its factorization.

86236668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 86236668 is about 9286.3700120122. The cubic root of 86236668 is about 441.8050299300.

The spelling of 86236668 in words is "eighty-six million, two hundred thirty-six thousand, six hundred sixty-eight".