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86473663 = 31289983
BaseRepresentation
bin1010010011101…
…11101110111111
320000201022120021
411021313232333
5134114124123
612325233011
72100004543
oct511675677
9200638507
1086473663
11448a2a41
1224b62767
1314bb8b63
14b6ada23
1578d1c5d
hex5277bbf

86473663 has 6 divisors (see below), whose sum is σ = 89354112. Its totient is φ = 83683260.

The previous prime is 86473649. The next prime is 86473697. The reversal of 86473663 is 36637468.

It is not a de Polignac number, because 86473663 - 213 = 86465471 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 (86473603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44031 + ... + 45952.

It is an arithmetic number, because the mean of its divisors is an integer number (14892352).

Almost surely, 286473663 is an apocalyptic number.

86473663 is a deficient number, since it is larger than the sum of its proper divisors (2880449).

86473663 is an equidigital number, since it uses as much as digits as its factorization.

86473663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90045 (or 90014 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 86473663 is about 9299.1216251859. The cubic root of 86473663 is about 442.2093815615.

The spelling of 86473663 in words is "eighty-six million, four hundred seventy-three thousand, six hundred sixty-three".

Divisors: 1 31 961 89983 2789473 86473663