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134473 = 294637
BaseRepresentation
bin100000110101001001
320211110111
4200311021
513300343
62514321
71100023
oct406511
9224414
10134473
1192039
12659a1
1349291
1437013
1529c9d
hex20d49

134473 has 4 divisors (see below), whose sum is σ = 139140. Its totient is φ = 129808.

The previous prime is 134471. The next prime is 134489. The reversal of 134473 is 374431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374431 = 2331607.

It can be written as a sum of positive squares in 2 ways, for example, as 51529 + 82944 = 227^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 134473 - 21 = 134471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (34785).

2134473 is an apocalyptic number.

It is an amenable number.

134473 is a deficient number, since it is larger than the sum of its proper divisors (4667).

134473 is an equidigital number, since it uses as much as digits as its factorization.

134473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its digits is 1008, while the sum is 22.

The square root of 134473 is about 366.7056039932. The cubic root of 134473 is about 51.2324389565.

The spelling of 134473 in words is "one hundred thirty-four thousand, four hundred seventy-three".

Divisors: 1 29 4637 134473