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86189473 = 1710349223
BaseRepresentation
bin1010010001100…
…10010110100001
320000011212201201
411020302112201
5134031030343
612315201201
72064412156
oct510622641
9200155651
1086189473
1144719477
1224a46201
1314b196b6
14b63822d
15787794d
hex52325a1

86189473 has 8 divisors (see below), whose sum is σ = 92147328. Its totient is φ = 80330304.

The previous prime is 86189471. The next prime is 86189531. The reversal of 86189473 is 37498168.

It is a happy number.

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

It is not a de Polignac number, because 86189473 - 21 = 86189471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86189471) 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, 22861 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (11518416).

Almost surely, 286189473 is an apocalyptic number.

It is an amenable number.

86189473 is a deficient number, since it is larger than the sum of its proper divisors (5957855).

86189473 is a wasteful number, since it uses less digits than its factorization.

86189473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49343.

The product of its digits is 290304, while the sum is 46.

The square root of 86189473 is about 9283.8285744622. The cubic root of 86189473 is about 441.7244192348.

The spelling of 86189473 in words is "eighty-six million, one hundred eighty-nine thousand, four hundred seventy-three".

Divisors: 1 17 103 1751 49223 836791 5069969 86189473