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134444723 = 719206389
BaseRepresentation
bin10000000001101…
…11011010110011
3100100222111111012
420000313122303
5233404212343
621201341135
73221522060
oct1000673263
9310874435
10134444723
1169988346
12390377ab
1321b138ba
1413bd9c67
15bc0a718
hex80376b3

134444723 has 4 divisors (see below), whose sum is σ = 153651120. Its totient is φ = 115238328.

The previous prime is 134444689. The next prime is 134444743. The reversal of 134444723 is 327444431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327444431 = 2003163477.

It is a cyclic number.

It is not a de Polignac number, because 134444723 - 214 = 134428339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134444723.

It is not an unprimeable number, because it can be changed into a prime (134444743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9603188 + ... + 9603201.

It is an arithmetic number, because the mean of its divisors is an integer number (38412780).

Almost surely, 2134444723 is an apocalyptic number.

134444723 is a deficient number, since it is larger than the sum of its proper divisors (19206397).

134444723 is an equidigital number, since it uses as much as digits as its factorization.

134444723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206396.

The product of its digits is 32256, while the sum is 32.

The square root of 134444723 is about 11595.0300991416. The cubic root of 134444723 is about 512.2884765016.

The spelling of 134444723 in words is "one hundred thirty-four million, four hundred forty-four thousand, seven hundred twenty-three".

Divisors: 1 7 19206389 134444723