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18106008 = 233754417
BaseRepresentation
bin100010100010…
…0011010011000
31021001212202220
41011010122120
514113343013
61444024040
7306620124
oct105043230
937055686
1018106008
11a247348
126092020
13399c31b
142594584
1518c9b23
hex1144698

18106008 has 16 divisors (see below), whose sum is σ = 45265080. Its totient is φ = 6035328.

The previous prime is 18105977. The next prime is 18106027. The reversal of 18106008 is 80060181.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 754417 = 18106008 / (1 + 8 + 1 + 0 + 6 + 0 + 0 + 8).

It is a congruent number.

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, 377185 + ... + 377232.

Almost surely, 218106008 is an apocalyptic number.

It is an amenable number.

18106008 is an abundant number, since it is smaller than the sum of its proper divisors (27159072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18106008 is a wasteful number, since it uses less digits than its factorization.

18106008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754426 (or 754422 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 18106008 is about 4255.1155095955. The cubic root of 18106008 is about 262.5876133848.

Adding to 18106008 its reverse (80060181), we get a palindrome (98166189).

The spelling of 18106008 in words is "eighteen million, one hundred six thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 754417 1508834 2263251 3017668 4526502 6035336 9053004 18106008