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86105684 = 2273075203
BaseRepresentation
bin1010010000111…
…01111001010100
320000000121210102
411020131321110
5134020340214
612313313232
72063612660
oct510357124
9200017712
1086105684
1144671525
1224a05818
1314aba512
14b6158a0
15785cbde
hex521de54

86105684 has 12 divisors (see below), whose sum is σ = 172211424. Its totient is φ = 36902424.

The previous prime is 86105683. The next prime is 86105687. The reversal of 86105684 is 48650168.

86105684 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86105681) 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 3 ways as a sum of consecutive naturals, for example, 1537574 + ... + 1537629.

It is an arithmetic number, because the mean of its divisors is an integer number (14350952).

Almost surely, 286105684 is an apocalyptic number.

It is an amenable number.

86105684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86105684 is a wasteful number, since it uses less digits than its factorization.

86105684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075214 (or 3075212 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 86105684 is about 9279.3148453967. The cubic root of 86105684 is about 441.5812321913.

The spelling of 86105684 in words is "eighty-six million, one hundred five thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 3075203 6150406 12300812 21526421 43052842 86105684