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86000305 = 517200061
BaseRepresentation
bin1010010000001…
…00001010110001
312222211021020111
411020010022301
5134004002210
612311141321
72062663516
oct510041261
9188737214
1086000305
11445aa336
1224974841
1314a81571
14b5c930d
15783b88a
hex52042b1

86000305 has 4 divisors (see below), whose sum is σ = 103200372. Its totient is φ = 68800240.

The previous prime is 86000303. The next prime is 86000311. The reversal of 86000305 is 50300068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 51036736 = 5913^2 + 7144^2 .

It is not a de Polignac number, because 86000305 - 21 = 86000303 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86000303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600026 + ... + 8600035.

It is an arithmetic number, because the mean of its divisors is an integer number (25800093).

Almost surely, 286000305 is an apocalyptic number.

It is an amenable number.

86000305 is a deficient number, since it is larger than the sum of its proper divisors (17200067).

86000305 is a wasteful number, since it uses less digits than its factorization.

86000305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200066.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 86000305 is about 9273.6349399790. The cubic root of 86000305 is about 441.4010180543.

The spelling of 86000305 in words is "eighty-six million, three hundred five", and thus it is an aban number.

Divisors: 1 5 17200061 86000305