Search a number
-
+
86140999 = 716997243
BaseRepresentation
bin1010010001001…
…10100001000111
320000002102020101
411020212201013
5134023002444
612314144531
72064120640
oct510464107
9200072211
1086140999
114469600a
1224a22147
1314b00609
14b6246c7
1578683d4
hex5226847

86140999 has 8 divisors (see below), whose sum is σ = 98518400. Its totient is φ = 73781496.

The previous prime is 86140987. The next prime is 86141009. The reversal of 86140999 is 99904168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86140999 - 29 = 86140487 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 (86140939) 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 7 ways as a sum of consecutive naturals, for example, 8272 + ... + 15514.

It is an arithmetic number, because the mean of its divisors is an integer number (12314800).

Almost surely, 286140999 is an apocalyptic number.

86140999 is a deficient number, since it is larger than the sum of its proper divisors (12377401).

86140999 is a wasteful number, since it uses less digits than its factorization.

86140999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 86140999 is about 9281.2175386638. The cubic root of 86140999 is about 441.6415933237.

The spelling of 86140999 in words is "eighty-six million, one hundred forty thousand, nine hundred ninety-nine".

Divisors: 1 7 1699 7243 11893 50701 12305857 86140999