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86605329 = 372739709
BaseRepresentation
bin1010010100101…
…11111000010001
320000222000011210
411022113320101
5134132332304
612332130333
72101063446
oct512277021
9200860153
1086605329
1144982958
12250069a9
1314c33a75
14b7059cd
15790ac89
hex5297e11

86605329 has 8 divisors (see below), whose sum is σ = 115635520. Its totient is φ = 57656016.

The previous prime is 86605319. The next prime is 86605403. The reversal of 86605329 is 92350668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86605329 - 25 = 86605297 is a prime.

It is a super-2 number, since 2×866053292 = 15000966022396482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86605319) 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 7 ways as a sum of consecutive naturals, for example, 17674 + ... + 22035.

It is an arithmetic number, because the mean of its divisors is an integer number (14454440).

Almost surely, 286605329 is an apocalyptic number.

It is an amenable number.

86605329 is a deficient number, since it is larger than the sum of its proper divisors (29030191).

86605329 is a wasteful number, since it uses less digits than its factorization.

86605329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 86605329 is about 9306.1984182587. The cubic root of 86605329 is about 442.4337057951.

The spelling of 86605329 in words is "eighty-six million, six hundred five thousand, three hundred twenty-nine".

Divisors: 1 3 727 2181 39709 119127 28868443 86605329