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489916105 = 5717380911
BaseRepresentation
bin11101001100111…
…000011011001001
31021010212022112221
4131030320123021
52000404303410
6120340334041
715066134560
oct3514703311
91233768487
10489916105
112315aa248
121180a4321
137a6642b3
14490ccbd7
152d0254da
hex1d3386c9

489916105 has 16 divisors (see below), whose sum is σ = 675777024. Its totient is φ = 333996480.

The previous prime is 489916103. The next prime is 489916129. The reversal of 489916105 is 501619984.

It is not a de Polignac number, because 489916105 - 21 = 489916103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489916103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34401 + ... + 46510.

It is an arithmetic number, because the mean of its divisors is an integer number (42236064).

Almost surely, 2489916105 is an apocalyptic number.

It is an amenable number.

489916105 is a deficient number, since it is larger than the sum of its proper divisors (185860919).

489916105 is a wasteful number, since it uses less digits than its factorization.

489916105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81096.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 489916105 is about 22134.0485451713. The cubic root of 489916105 is about 788.3285201396.

The spelling of 489916105 in words is "four hundred eighty-nine million, nine hundred sixteen thousand, one hundred five".

Divisors: 1 5 7 35 173 865 1211 6055 80911 404555 566377 2831885 13997603 69988015 97983221 489916105