Search a number
-
+
18334103 = 103178001
BaseRepresentation
bin100010111110…
…0000110010111
31021111110122212
41011330012113
514143142403
61452544035
7311560124
oct105740627
937443585
1018334103
11a392757
12618201b
133a4c0a8
14261374b
1519224d8
hex117c197

18334103 has 4 divisors (see below), whose sum is σ = 18512208. Its totient is φ = 18156000.

The previous prime is 18334091. The next prime is 18334133. The reversal of 18334103 is 30143381.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30143381 = 97730853.

It is a cyclic number.

It is not a de Polignac number, because 18334103 - 24 = 18334087 is a prime.

It is a super-2 number, since 2×183341032 = 672278665629218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18334133) 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 3 ways as a sum of consecutive naturals, for example, 88898 + ... + 89103.

It is an arithmetic number, because the mean of its divisors is an integer number (4628052).

Almost surely, 218334103 is an apocalyptic number.

18334103 is a deficient number, since it is larger than the sum of its proper divisors (178105).

18334103 is a wasteful number, since it uses less digits than its factorization.

18334103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178104.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 18334103 is about 4281.8340696482. The cubic root of 18334103 is about 263.6856863471.

Adding to 18334103 its reverse (30143381), we get a palindrome (48477484).

The spelling of 18334103 in words is "eighteen million, three hundred thirty-four thousand, one hundred three".

Divisors: 1 103 178001 18334103