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18115014 = 233019169
BaseRepresentation
bin100010100011…
…0100111000110
31021002100010110
41011012213012
514114140024
61444133450
7306655311
oct105064706
937070113
1018115014
11a253095
126097286
1339a3458
142597978
1518cc629
hex11469c6

18115014 has 8 divisors (see below), whose sum is σ = 36230040. Its totient is φ = 6038336.

The previous prime is 18114977. The next prime is 18115033. The reversal of 18115014 is 41051181.

It is a happy number.

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

18115014 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509579 + ... + 1509590.

It is an arithmetic number, because the mean of its divisors is an integer number (4528755).

Almost surely, 218115014 is an apocalyptic number.

18115014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18115014 is a wasteful number, since it uses less digits than its factorization.

18115014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019174.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 18115014 is about 4256.1736336761. The cubic root of 18115014 is about 262.6311435408.

Adding to 18115014 its reverse (41051181), we get a palindrome (59166195).

The spelling of 18115014 in words is "eighteen million, one hundred fifteen thousand, fourteen".

Divisors: 1 2 3 6 3019169 6038338 9057507 18115014