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86025389 = 175060317
BaseRepresentation
bin1010010000010…
…10010010101101
312222212112122112
411020022102231
5134010303024
612311453405
72063126612
oct510122255
9188775575
1086025389
114461716a
1224987265
1314a8cac8
14b5d4509
15784400e
hex520a4ad

86025389 has 4 divisors (see below), whose sum is σ = 91085724. Its totient is φ = 80965056.

The previous prime is 86025377. The next prime is 86025439. The reversal of 86025389 is 98352068.

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 53728900 + 32296489 = 7330^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 86025389 - 28 = 86025133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86025319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530142 + ... + 2530175.

It is an arithmetic number, because the mean of its divisors is an integer number (22771431).

Almost surely, 286025389 is an apocalyptic number.

It is an amenable number.

86025389 is a deficient number, since it is larger than the sum of its proper divisors (5060335).

86025389 is a wasteful number, since it uses less digits than its factorization.

86025389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060334.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 86025389 is about 9274.9872776193. The cubic root of 86025389 is about 441.4439288588.

The spelling of 86025389 in words is "eighty-six million, twenty-five thousand, three hundred eighty-nine".

Divisors: 1 17 5060317 86025389