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86475081 = 3711374351
BaseRepresentation
bin1010010011110…
…00000101001001
320000201101111210
411021320011021
5134114200311
612325243333
72100011640
oct511700511
9200641453
1086475081
11448a4010
1224b63549
1314bb96b4
14b6b0357
1578d23a6
hex5278149

86475081 has 16 divisors (see below), whose sum is σ = 143751168. Its totient is φ = 44922000.

The previous prime is 86475049. The next prime is 86475083. The reversal of 86475081 is 18057468.

It is not a de Polignac number, because 86475081 - 25 = 86475049 is a prime.

It is a super-2 number, since 2×864750812 = 14955879267913122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86475083) 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, 186945 + ... + 187406.

It is an arithmetic number, because the mean of its divisors is an integer number (8984448).

Almost surely, 286475081 is an apocalyptic number.

It is an amenable number.

86475081 is a deficient number, since it is larger than the sum of its proper divisors (57276087).

86475081 is a wasteful number, since it uses less digits than its factorization.

86475081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374372.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 86475081 is about 9299.1978686336. The cubic root of 86475081 is about 442.2117986731.

The spelling of 86475081 in words is "eighty-six million, four hundred seventy-five thousand, eighty-one".

Divisors: 1 3 7 11 21 33 77 231 374351 1123053 2620457 4117861 7861371 12353583 28825027 86475081