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134288185 = 5172199467
BaseRepresentation
bin10000000000100…
…01001100111001
3100100200112202111
420000101030321
5233334210220
621154132321
73220300513
oct1000211471
9310615674
10134288185
1169890779
1238b810a1
1321a8a585
1413b98bb3
15bbc915a
hex8011339

134288185 has 24 divisors (see below), whose sum is σ = 172411200. Its totient is φ = 100387584.

The previous prime is 134288179. The next prime is 134288227. The reversal of 134288185 is 581882431.

It is not a de Polignac number, because 134288185 - 23 = 134288177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287322 + ... + 287788.

It is an arithmetic number, because the mean of its divisors is an integer number (7183800).

Almost surely, 2134288185 is an apocalyptic number.

It is an amenable number.

134288185 is a deficient number, since it is larger than the sum of its proper divisors (38123015).

134288185 is a wasteful number, since it uses less digits than its factorization.

134288185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 688 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 134288185 is about 11588.2779134779. The cubic root of 134288185 is about 512.0895750362.

The spelling of 134288185 in words is "one hundred thirty-four million, two hundred eighty-eight thousand, one hundred eighty-five".

Divisors: 1 5 17 85 199 289 467 995 1445 2335 3383 7939 16915 39695 57511 92933 134963 287555 464665 674815 1579861 7899305 26857637 134288185