Search a number
-
+
20324343 = 313521137
BaseRepresentation
bin100110110000…
…1111111110111
31102020120202110
41031201333313
520200334333
62003342103
7334516434
oct115417767
942216673
1020324343
1110521a86
126981933
134297c50
1429b0b8b
151bb7063
hex1361ff7

20324343 has 8 divisors (see below), whose sum is σ = 29183728. Its totient is φ = 12507264.

The previous prime is 20324327. The next prime is 20324363. The reversal of 20324343 is 34342302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20324343 - 24 = 20324327 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 (20324323) 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 7 ways as a sum of consecutive naturals, for example, 260530 + ... + 260607.

It is an arithmetic number, because the mean of its divisors is an integer number (3647966).

Almost surely, 220324343 is an apocalyptic number.

20324343 is a deficient number, since it is larger than the sum of its proper divisors (8859385).

20324343 is a wasteful number, since it uses less digits than its factorization.

20324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521153.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 20324343 is about 4508.2527657619. The cubic root of 20324343 is about 272.9012376052.

Adding to 20324343 its reverse (34342302), we get a palindrome (54666645).

The spelling of 20324343 in words is "twenty million, three hundred twenty-four thousand, three hundred forty-three".

Divisors: 1 3 13 39 521137 1563411 6774781 20324343