Search a number
-
+
1342443 = 3447481
BaseRepresentation
bin101000111101111101011
32112012111010
411013233223
5320424233
644435003
714260554
oct5075753
92465433
101342443
11837663
12548a63
1338005b
1426d32b
151b7b63
hex147beb

1342443 has 4 divisors (see below), whose sum is σ = 1789928. Its totient is φ = 894960.

The previous prime is 1342433. The next prime is 1342489. The reversal of 1342443 is 3442431.

Adding to 1342443 its reverse (3442431), we get a palindrome (4784874).

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

It is not a de Polignac number, because 1342443 - 26 = 1342379 is a prime.

It is a d-powerful number, because it can be written as 1 + 312 + 45 + 23 + 47 + 49 + 312 .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223738 + ... + 223743.

It is an arithmetic number, because the mean of its divisors is an integer number (447482).

21342443 is an apocalyptic number.

1342443 is a deficient number, since it is larger than the sum of its proper divisors (447485).

1342443 is an equidigital number, since it uses as much as digits as its factorization.

1342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447484.

The product of its digits is 1152, while the sum is 21.

The square root of 1342443 is about 1158.6384250490. The cubic root of 1342443 is about 110.3143350630.

The spelling of 1342443 in words is "one million, three hundred forty-two thousand, four hundred forty-three".

Divisors: 1 3 447481 1342443