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134287888 = 2471198999
BaseRepresentation
bin10000000000100…
…01001000010000
3100100200112100111
420000101020100
5233334203023
621154131104
73220266610
oct1000211020
9310615314
10134287888
1169890529
1238b80a94
1321a8a3b7
1413b98a40
15bbc900d
hex8011210

134287888 has 20 divisors (see below), whose sum is σ = 297352000. Its totient is φ = 57551904.

The previous prime is 134287861. The next prime is 134287903. The reversal of 134287888 is 888782431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599388 + ... + 599611.

It is an arithmetic number, because the mean of its divisors is an integer number (14867600).

Almost surely, 2134287888 is an apocalyptic number.

It is an amenable number.

134287888 is an abundant number, since it is smaller than the sum of its proper divisors (163064112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134287888 is a wasteful number, since it uses less digits than its factorization.

134287888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199014 (or 1199008 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 134287888 is about 11588.2650987971. The cubic root of 134287888 is about 512.0891975130.

It can be divided in two parts, 13428 and 7888, that added together give a square (21316 = 1462).

The spelling of 134287888 in words is "one hundred thirty-four million, two hundred eighty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1198999 2397998 4795996 8392993 9591992 16785986 19183984 33571972 67143944 134287888