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86191468 = 22111958897
BaseRepresentation
bin1010010001100…
…10110101101100
320000011222110121
411020302311230
5134031111333
612315214324
72064421036
oct510626554
9200158417
1086191468
114471aa20
1224a473a4
1314b1a58c
14b638c56
15787832d
hex5232d6c

86191468 has 12 divisors (see below), whose sum is σ = 164547432. Its totient is φ = 39177920.

The previous prime is 86191447. The next prime is 86191487. The reversal of 86191468 is 86419168.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 979405 + ... + 979492.

It is an arithmetic number, because the mean of its divisors is an integer number (13712286).

Almost surely, 286191468 is an apocalyptic number.

It is an amenable number.

86191468 is a deficient number, since it is larger than the sum of its proper divisors (78355964).

86191468 is a wasteful number, since it uses less digits than its factorization.

86191468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958912 (or 1958910 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 86191468 is about 9283.9360187369. The cubic root of 86191468 is about 441.7278273595.

It can be divided in two parts, 861 and 91468, that added together give a palindrome (92329).

The spelling of 86191468 in words is "eighty-six million, one hundred ninety-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1958897 3917794 7835588 21547867 43095734 86191468