Search a number
-
+
675443 = 5091327
BaseRepresentation
bin10100100111001110011
31021022112102
42210321303
5133103233
622251015
75512136
oct2447163
91238472
10675443
1142151a
12286a6b
131a8592
1413821d
15d51e8
hexa4e73

675443 has 4 divisors (see below), whose sum is σ = 677280. Its totient is φ = 673608.

The previous prime is 675419. The next prime is 675449. The reversal of 675443 is 344576.

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

It is a cyclic number.

It is not a de Polignac number, because 675443 - 28 = 675187 is a prime.

It is a d-powerful number, because it can be written as 62 + 72 + 44 + 57 + 48 + 312 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (169320).

2675443 is an apocalyptic number.

675443 is a deficient number, since it is larger than the sum of its proper divisors (1837).

675443 is a wasteful number, since it uses less digits than its factorization.

675443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its digits is 10080, while the sum is 29.

The square root of 675443 is about 821.8533932521. The cubic root of 675443 is about 87.7397181699.

The spelling of 675443 in words is "six hundred seventy-five thousand, four hundred forty-three".

Divisors: 1 509 1327 675443