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18224103 = 353114617
BaseRepresentation
bin100010110000…
…1001111100111
31021021212202210
41011201033213
514131132403
61450334503
7310621332
oct105411747
937255683
1018224103
11a318047
12612a433
133a10cc1
1425c5619
1518eeb03
hex11613e7

18224103 has 8 divisors (see below), whose sum is σ = 24757488. Its totient is φ = 11920064.

The previous prime is 18224081. The next prime is 18224111. The reversal of 18224103 is 30142281.

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

It is a cyclic number.

It is not a de Polignac number, because 18224103 - 25 = 18224071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18224103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18224113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57150 + ... + 57467.

It is an arithmetic number, because the mean of its divisors is an integer number (3094686).

Almost surely, 218224103 is an apocalyptic number.

18224103 is a deficient number, since it is larger than the sum of its proper divisors (6533385).

18224103 is a wasteful number, since it uses less digits than its factorization.

18224103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114673.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18224103 is about 4268.9697820434. The cubic root of 18224103 is about 263.1572789298.

Adding to 18224103 its reverse (30142281), we get a palindrome (48366384).

The spelling of 18224103 in words is "eighteen million, two hundred twenty-four thousand, one hundred three".

Divisors: 1 3 53 159 114617 343851 6074701 18224103