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14115081 = 319247633
BaseRepresentation
bin110101110110…
…000100001001
3222120010020210
4311312010021
512103140311
61222311333
7230655561
oct65660411
928503223
1014115081
117a70962
124888549
132c02926
141c35da1
15138c3a6
hexd76109

14115081 has 8 divisors (see below), whose sum is σ = 19810720. Its totient is φ = 8914752.

The previous prime is 14115071. The next prime is 14115103. The reversal of 14115081 is 18051141.

It is a happy number.

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

It is not a de Polignac number, because 14115081 - 27 = 14114953 is a prime.

It is a super-2 number, since 2×141150812 = 398471023273122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14115001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 123760 + ... + 123873.

It is an arithmetic number, because the mean of its divisors is an integer number (2476340).

Almost surely, 214115081 is an apocalyptic number.

It is an amenable number.

14115081 is a deficient number, since it is larger than the sum of its proper divisors (5695639).

14115081 is a wasteful number, since it uses less digits than its factorization.

14115081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247655.

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

The square root of 14115081 is about 3757.0042587146. The cubic root of 14115081 is about 241.6728098848.

The spelling of 14115081 in words is "fourteen million, one hundred fifteen thousand, eighty-one".

Divisors: 1 3 19 57 247633 742899 4705027 14115081