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134449 = 719207
BaseRepresentation
bin100000110100110001
320211102121
4200310301
513300244
62514241
71066660
oct406461
9224377
10134449
1192017
1265981
1349273
1436dd7
1529c84
hex20d31

134449 has 4 divisors (see below), whose sum is σ = 153664. Its totient is φ = 115236.

The previous prime is 134443. The next prime is 134471. The reversal of 134449 is 944431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134449 - 25 = 134417 is a prime.

134449 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (134443) 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, 9597 + ... + 9610.

It is an arithmetic number, because the mean of its divisors is an integer number (38416).

2134449 is an apocalyptic number.

It is an amenable number.

134449 is a deficient number, since it is larger than the sum of its proper divisors (19215).

134449 is an equidigital number, since it uses as much as digits as its factorization.

134449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214.

The product of its digits is 1728, while the sum is 25.

The square root of 134449 is about 366.6728787353. The cubic root of 134449 is about 51.2293908807.

It can be divided in two parts, 1344 and 49, that multiplied together give a palindrome (65856).

The spelling of 134449 in words is "one hundred thirty-four thousand, four hundred forty-nine".

Divisors: 1 7 19207 134449