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86047868 = 2221511967
BaseRepresentation
bin1010010000011…
…11110001111100
312222220200111002
411020033301330
5134012012433
612312145432
72063252264
oct510176174
9188820432
1086047868
1144632045
1224998278
1314a9a0ca
14b5dc7a4
15784a9e8
hex520fc7c

86047868 has 6 divisors (see below), whose sum is σ = 150583776. Its totient is φ = 43023932.

The previous prime is 86047831. The next prime is 86047873. The reversal of 86047868 is 86874068.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10755980 + ... + 10755987.

It is an arithmetic number, because the mean of its divisors is an integer number (25097296).

Almost surely, 286047868 is an apocalyptic number.

It is an amenable number.

86047868 is a deficient number, since it is larger than the sum of its proper divisors (64535908).

86047868 is a wasteful number, since it uses less digits than its factorization.

86047868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511971 (or 21511969 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 86047868 is about 9276.1990060585. The cubic root of 86047868 is about 441.4823762442.

The spelling of 86047868 in words is "eighty-six million, forty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 21511967 43023934 86047868