Search a number
-
+
86230209 = 31315714083
BaseRepresentation
bin1010010001111…
…00010011000001
320000020221121110
411020330103001
5134033331314
612320113533
72064642012
oct510742301
9200227543
1086230209
114474703a
1224a658a9
1314b320c0
14b649009
157884a59
hex523c4c1

86230209 has 16 divisors (see below), whose sum is σ = 124615232. Its totient is φ = 52723008.

The previous prime is 86230201. The next prime is 86230223. The reversal of 86230209 is 90203268.

It is not a de Polignac number, because 86230209 - 23 = 86230201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86230201) 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, 919 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (7788452).

Almost surely, 286230209 is an apocalyptic number.

It is an amenable number.

86230209 is a deficient number, since it is larger than the sum of its proper divisors (38385023).

86230209 is a wasteful number, since it uses less digits than its factorization.

86230209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 86230209 is about 9286.0222377507. The cubic root of 86230209 is about 441.7939994716.

The spelling of 86230209 in words is "eighty-six million, two hundred thirty thousand, two hundred nine".

Divisors: 1 3 13 39 157 471 2041 6123 14083 42249 183079 549237 2211031 6633093 28743403 86230209