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86140230 = 23511261031
BaseRepresentation
bin1010010001001…
…10010101000110
320000002101011220
411020212111012
5134022441410
612314141210
72064115461
oct510462506
9200071156
1086140230
1144695480
1224a21806
1314b00167
14b6242d8
157868070
hex5226546

86140230 has 32 divisors (see below), whose sum is σ = 225531648. Its totient is φ = 20882400.

The previous prime is 86140213. The next prime is 86140231. The reversal of 86140230 is 3204168.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86140230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86140231) 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 15 ways as a sum of consecutive naturals, for example, 130186 + ... + 130845.

It is an arithmetic number, because the mean of its divisors is an integer number (7047864).

Almost surely, 286140230 is an apocalyptic number.

86140230 is an abundant number, since it is smaller than the sum of its proper divisors (139391418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86140230 is a wasteful number, since it uses less digits than its factorization.

86140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261052.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 86140230 is about 9281.1761108170. The cubic root of 86140230 is about 441.6402791086.

Adding to 86140230 its reverse (3204168), we get a palindrome (89344398).

The spelling of 86140230 in words is "eighty-six million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 261031 522062 783093 1305155 1566186 2610310 2871341 3915465 5742682 7830930 8614023 14356705 17228046 28713410 43070115 86140230