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86259385 = 517251877
BaseRepresentation
bin1010010010000…
…11011010111001
320000022102122001
411021003122321
5134040300020
612320501001
72065123042
oct511033271
9200272561
1086259385
1144766a53
1224a7a761
1314b42474
14b6558c9
15788d50a
hex52436b9

86259385 has 4 divisors (see below), whose sum is σ = 103511268. Its totient is φ = 69007504.

The previous prime is 86259379. The next prime is 86259401. The reversal of 86259385 is 58395268.

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 51437584 + 34821801 = 7172^2 + 5901^2 .

It is a cyclic number.

It is not a de Polignac number, because 86259385 - 29 = 86258873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 8625934 + ... + 8625943.

It is an arithmetic number, because the mean of its divisors is an integer number (25877817).

Almost surely, 286259385 is an apocalyptic number.

It is an amenable number.

86259385 is a deficient number, since it is larger than the sum of its proper divisors (17251883).

86259385 is a wasteful number, since it uses less digits than its factorization.

86259385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251882.

The product of its digits is 518400, while the sum is 46.

The square root of 86259385 is about 9287.5930681743. The cubic root of 86259385 is about 441.8438208679.

The spelling of 86259385 in words is "eighty-six million, two hundred fifty-nine thousand, three hundred eighty-five".

Divisors: 1 5 17251877 86259385