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1424020343 = 8387169789
BaseRepresentation
bin101010011100000…
…1101001101110111
310200020112201200012
41110320031031313
510404022122333
6353145410435
750200654544
oct12470151567
93606481605
101424020343
11670905619
12338a99a1b
1319903bab5
14d71a5bcb
158503be48
hex54e0d377

1424020343 has 4 divisors (see below), whose sum is σ = 1424198520. Its totient is φ = 1423842168.

The previous prime is 1424020289. The next prime is 1424020349. The reversal of 1424020343 is 3430204241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430204241 = 23914352319.

It is a cyclic number.

It is not a de Polignac number, because 1424020343 - 222 = 1419826039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424020349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76508 + ... + 93281.

It is an arithmetic number, because the mean of its divisors is an integer number (356049630).

Almost surely, 21424020343 is an apocalyptic number.

1424020343 is a deficient number, since it is larger than the sum of its proper divisors (178177).

1424020343 is an equidigital number, since it uses as much as digits as its factorization.

1424020343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178176.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1424020343 is about 37736.1940714747. The cubic root of 1424020343 is about 1125.0506230389.

Adding to 1424020343 its reverse (3430204241), we get a palindrome (4854224584).

The spelling of 1424020343 in words is "one billion, four hundred twenty-four million, twenty thousand, three hundred forty-three".

Divisors: 1 8387 169789 1424020343