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84847916 = 2221211979
BaseRepresentation
bin1010000111010…
…10110100101100
312220122201110102
411003222310230
5133210113131
612230330232
72050124006
oct503526454
9186581412
1084847916
114399254a
12244b9978
1314769b8a
14b3a9376
1576b01cb
hex50ead2c

84847916 has 6 divisors (see below), whose sum is σ = 148483860. Its totient is φ = 42423956.

The previous prime is 84847907. The next prime is 84847921. The reversal of 84847916 is 61974848.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10605986 + ... + 10605993.

It is an arithmetic number, because the mean of its divisors is an integer number (24747310).

Almost surely, 284847916 is an apocalyptic number.

It is an amenable number.

84847916 is a deficient number, since it is larger than the sum of its proper divisors (63635944).

84847916 is a wasteful number, since it uses less digits than its factorization.

84847916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211983 (or 21211981 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 84847916 is about 9211.2928517120. The cubic root of 84847916 is about 439.4205802938.

The spelling of 84847916 in words is "eighty-four million, eight hundred forty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 21211979 42423958 84847916