Search a number
-
+
1330436 = 221312539
BaseRepresentation
bin101000100110100000100
32111121000102
411010310010
5320033221
644303232
714210552
oct5046404
92447012
101330436
11829638
12541b18
13377753
14268bd2
151b430b
hex144d04

1330436 has 12 divisors (see below), whose sum is σ = 2346960. Its totient is φ = 659880.

The previous prime is 1330423. The next prime is 1330453. The reversal of 1330436 is 6340331.

It is an unprimeable number.

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, 746 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (195580).

21330436 is an apocalyptic number.

It is an amenable number.

1330436 is a deficient number, since it is larger than the sum of its proper divisors (1016524).

1330436 is a wasteful number, since it uses less digits than its factorization.

1330436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1330436 is about 1153.4452739510. The cubic root of 1330436 is about 109.9844606148.

Adding to 1330436 its reverse (6340331), we get a palindrome (7670767).

The spelling of 1330436 in words is "one million, three hundred thirty thousand, four hundred thirty-six".

Divisors: 1 2 4 131 262 524 2539 5078 10156 332609 665218 1330436