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1443424 = 25431049
BaseRepresentation
bin101100000011001100000
32201100000011
411200121200
5332142144
650534304
715161143
oct5403140
92640004
101443424
118a6514
12597394
133b6cc8
1429805a
151d7a34
hex160660

1443424 has 24 divisors (see below), whose sum is σ = 2910600. Its totient is φ = 704256.

The previous prime is 1443401. The next prime is 1443427. The reversal of 1443424 is 4243441.

It is a junction number, because it is equal to n+sod(n) for n = 1443395 and 1443404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443427) 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, 852 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (121275).

21443424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455300).

1443424 is an abundant number, since it is smaller than the sum of its proper divisors (1467176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443424 is a wasteful number, since it uses less digits than its factorization.

1443424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1094 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 1443424 is about 1201.4258195994. The cubic root of 1443424 is about 113.0137556022.

Adding to 1443424 its reverse (4243441), we get a palindrome (5686865).

The spelling of 1443424 in words is "one million, four hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1049 1376 2098 4196 8392 16784 33568 45107 90214 180428 360856 721712 1443424