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134809171 = 7432271973
BaseRepresentation
bin10000000100100…
…00011001010011
3100101200000102021
420002100121103
5234002343141
621213232311
73224600440
oct1002203123
9311600367
10134809171
116a107142
1239192697
1321c10753
1413c929c7
15bc7d6d1
hex8090653

134809171 has 16 divisors (see below), whose sum is σ = 158425344. Its totient is φ = 112309344.

The previous prime is 134809151. The next prime is 134809183. The reversal of 134809171 is 171908431.

It is not a de Polignac number, because 134809171 - 213 = 134800979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134809151) 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, 67341 + ... + 69313.

It is an arithmetic number, because the mean of its divisors is an integer number (9901584).

Almost surely, 2134809171 is an apocalyptic number.

134809171 is a deficient number, since it is larger than the sum of its proper divisors (23616173).

134809171 is a wasteful number, since it uses less digits than its factorization.

134809171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 134809171 is about 11610.7351619094. The cubic root of 134809171 is about 512.7509566891.

The spelling of 134809171 in words is "one hundred thirty-four million, eight hundred nine thousand, one hundred seventy-one".

Divisors: 1 7 43 227 301 1589 1973 9761 13811 68327 84839 447871 593873 3135097 19258453 134809171