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14138147 = 19744113
BaseRepresentation
bin110101111011…
…101100100011
3222121021220002
4311323230203
512104410042
61223010215
7231113042
oct65735443
928537802
1014138147
117a87221
12489996b
132c1028a
141c40559
151394132
hexd7bb23

14138147 has 4 divisors (see below), whose sum is σ = 14882280. Its totient is φ = 13394016.

The previous prime is 14138143. The next prime is 14138149. The reversal of 14138147 is 74183141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74183141 = 311238531.

It is a cyclic number.

It is not a de Polignac number, because 14138147 - 22 = 14138143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14138143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372038 + ... + 372075.

It is an arithmetic number, because the mean of its divisors is an integer number (3720570).

Almost surely, 214138147 is an apocalyptic number.

14138147 is a deficient number, since it is larger than the sum of its proper divisors (744133).

14138147 is an equidigital number, since it uses as much as digits as its factorization.

14138147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744132.

The product of its digits is 2688, while the sum is 29.

The square root of 14138147 is about 3760.0727386581. The cubic root of 14138147 is about 241.8043805390.

The spelling of 14138147 in words is "fourteen million, one hundred thirty-eight thousand, one hundred forty-seven".

Divisors: 1 19 744113 14138147