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104845885 = 5176173277
BaseRepresentation
bin1100011111111…
…01001000111101
321022021201111221
412033331020331
5203320032020
614223113341
72412114064
oct617751075
9238251457
10104845885
11542012a1
122b142851
131894c3b1
14dcd31db
1593106aa
hex63fd23d

104845885 has 32 divisors (see below), whose sum is σ = 137750112. Its totient is φ = 76308480.

The previous prime is 104845883. The next prime is 104845889. The reversal of 104845885 is 588548401.

It can be written as a sum of positive squares in 16 ways, for example, as 50041476 + 54804409 = 7074^2 + 7403^2 .

It is not a de Polignac number, because 104845885 - 21 = 104845883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104845883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378367 + ... + 378643.

It is an arithmetic number, because the mean of its divisors is an integer number (4304691).

Almost surely, 2104845885 is an apocalyptic number.

It is an amenable number.

104845885 is a deficient number, since it is larger than the sum of its proper divisors (32904227).

104845885 is a wasteful number, since it uses less digits than its factorization.

104845885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 104845885 is about 10239.4279625378. The cubic root of 104845885 is about 471.5384699622.

The spelling of 104845885 in words is "one hundred four million, eight hundred forty-five thousand, eight hundred eighty-five".

Divisors: 1 5 17 61 73 85 277 305 365 1037 1241 1385 4453 4709 5185 6205 16897 20221 22265 23545 75701 84485 101105 287249 343757 378505 1233481 1436245 1718785 6167405 20969177 104845885