Search a number
-
+
18268108 = 2217326399
BaseRepresentation
bin100010110101…
…1111111001100
31021101010010121
41011223333030
514134034413
61451314324
7311163535
oct105537714
937333117
1018268108
11a348111
12614b9a4
133a28041
1425d768c
15190cb8d
hex116bfcc

18268108 has 12 divisors (see below), whose sum is σ = 32155200. Its totient is φ = 9080912.

The previous prime is 18268099. The next prime is 18268123. The reversal of 18268108 is 80186281.

It is a super-3 number, since 3×182681083 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12508 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (2679600).

Almost surely, 218268108 is an apocalyptic number.

It is an amenable number.

18268108 is a deficient number, since it is larger than the sum of its proper divisors (13887092).

18268108 is a wasteful number, since it uses less digits than its factorization.

18268108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576 (or 26574 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 18268108 is about 4274.1207282902. The cubic root of 18268108 is about 263.3689203984.

The spelling of 18268108 in words is "eighteen million, two hundred sixty-eight thousand, one hundred eight".

Divisors: 1 2 4 173 346 692 26399 52798 105596 4567027 9134054 18268108