Search a number
-
+
1349443 = 1779379
BaseRepresentation
bin101001001011101000011
32112120002101
411021131003
5321140233
644531231
714320144
oct5113503
92476071
101349443
11841947
12550b17
133832b4
14271acb
151b9c7d
hex149743

1349443 has 4 divisors (see below), whose sum is σ = 1428840. Its totient is φ = 1270048.

The previous prime is 1349423. The next prime is 1349471. The reversal of 1349443 is 3449431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3449431 = 19181549.

It is a cyclic number.

It is not a de Polignac number, because 1349443 - 29 = 1348931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349423) 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, 39673 + ... + 39706.

It is an arithmetic number, because the mean of its divisors is an integer number (357210).

21349443 is an apocalyptic number.

1349443 is a deficient number, since it is larger than the sum of its proper divisors (79397).

1349443 is an equidigital number, since it uses as much as digits as its factorization.

1349443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79396.

The product of its digits is 5184, while the sum is 28.

The square root of 1349443 is about 1161.6552844971. The cubic root of 1349443 is about 110.5057428272.

The spelling of 1349443 in words is "one million, three hundred forty-nine thousand, four hundred forty-three".

Divisors: 1 17 79379 1349443