Search a number
-
+
86500641 = 3177272333
BaseRepresentation
bin1010010011111…
…10010100100001
320000202200120110
411021332110201
5134121010031
612330001533
72100146313
oct511762441
9200680513
1086500641
1144911237
1224b762a9
1314bc8216
14b6b97b3
1578d9c46
hex527e521

86500641 has 16 divisors (see below), whose sum is σ = 122338944. Its totient is φ = 54177024.

The previous prime is 86500639. The next prime is 86500643. The reversal of 86500641 is 14600568.

It is an interprime number because it is at equal distance from previous prime (86500639) and next prime (86500643).

It is not a de Polignac number, because 86500641 - 21 = 86500639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86500599 and 86500608.

It is not an unprimeable number, because it can be changed into a prime (86500643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35911 + ... + 38243.

It is an arithmetic number, because the mean of its divisors is an integer number (7646184).

Almost surely, 286500641 is an apocalyptic number.

It is an amenable number.

86500641 is a deficient number, since it is larger than the sum of its proper divisors (35838303).

86500641 is a wasteful number, since it uses less digits than its factorization.

86500641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 86500641 is about 9300.5720791788. The cubic root of 86500641 is about 442.2553635166.

The spelling of 86500641 in words is "eighty-six million, five hundred thousand, six hundred forty-one".

Divisors: 1 3 17 51 727 2181 2333 6999 12359 37077 39661 118983 1696091 5088273 28833547 86500641