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86285771 = 11134114717
BaseRepresentation
bin1010010010010…
…01110111001011
320000100202211022
411021021313023
5134042121041
612321223055
72065263005
oct511116713
9200322738
1086285771
1144784860
1224a91a8b
1314b51490
14b661375
15789624b
hex5249dcb

86285771 has 16 divisors (see below), whose sum is σ = 103850208. Its totient is φ = 70636800.

The previous prime is 86285753. The next prime is 86285809. The reversal of 86285771 is 17758268.

It is not a de Polignac number, because 86285771 - 210 = 86284747 is a prime.

It is a super-3 number, since 3×862857713 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (86285711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (6490638).

Almost surely, 286285771 is an apocalyptic number.

86285771 is a deficient number, since it is larger than the sum of its proper divisors (17564437).

86285771 is a wasteful number, since it uses less digits than its factorization.

86285771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782.

The product of its digits is 188160, while the sum is 44.

The square root of 86285771 is about 9289.0134567671. The cubic root of 86285771 is about 441.8888683431. Note that the first 4 decimals are identical.

The spelling of 86285771 in words is "eighty-six million, two hundred eighty-five thousand, seven hundred seventy-one".

Divisors: 1 11 13 41 143 451 533 5863 14717 161887 191321 603397 2104531 6637367 7844161 86285771