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134455873 = 1717894421
BaseRepresentation
bin10000000001110…
…10001001000001
3100101000001210011
420000322021001
5233410041443
621201504521
73221566426
oct1000721101
9311001704
10134455873
1169995762
1239042141
1321b189b6
1413bddd4d
15bc0db9d
hex803a241

134455873 has 8 divisors (see below), whose sum is σ = 142476840. Its totient is φ = 126447360.

The previous prime is 134455819. The next prime is 134455889. The reversal of 134455873 is 378554431.

It can be written as a sum of positive squares in 4 ways, for example, as 94614529 + 39841344 = 9727^2 + 6312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134455873 - 29 = 134455361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134455073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28203 + ... + 32623.

It is an arithmetic number, because the mean of its divisors is an integer number (17809605).

Almost surely, 2134455873 is an apocalyptic number.

It is an amenable number.

134455873 is a deficient number, since it is larger than the sum of its proper divisors (8020967).

134455873 is a wasteful number, since it uses less digits than its factorization.

134455873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227.

The product of its digits is 201600, while the sum is 40.

The square root of 134455873 is about 11595.5108986193. The cubic root of 134455873 is about 512.3026381052.

The spelling of 134455873 in words is "one hundred thirty-four million, four hundred fifty-five thousand, eight hundred seventy-three".

Divisors: 1 17 1789 4421 30413 75157 7909169 134455873