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134808447 = 344936149
BaseRepresentation
bin10000000100100…
…00001101111111
3100101122222102110
420002100031333
5234002332242
621213225103
73224565354
oct1002201577
9311588373
10134808447
116a106644
1239192193
1321c10317
1413c9262b
15bc7d39c
hex809037f

134808447 has 4 divisors (see below), whose sum is σ = 179744600. Its totient is φ = 89872296.

The previous prime is 134808431. The next prime is 134808461. The reversal of 134808447 is 744808431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 134808447 - 24 = 134808431 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 (134808467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22468072 + ... + 22468077.

It is an arithmetic number, because the mean of its divisors is an integer number (44936150).

Almost surely, 2134808447 is an apocalyptic number.

134808447 is a deficient number, since it is larger than the sum of its proper divisors (44936153).

134808447 is an equidigital number, since it uses as much as digits as its factorization.

134808447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44936152.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 134808447 is about 11610.7039838246. The cubic root of 134808447 is about 512.7500387684.

The spelling of 134808447 in words is "one hundred thirty-four million, eight hundred eight thousand, four hundred forty-seven".

Divisors: 1 3 44936149 134808447