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14143849 = 27315179
BaseRepresentation
bin110101111101…
…000101101001
3222121120201021
4311331011221
512110100344
61223052441
7231135466
oct65750551
928546637
1014143849
117a90535
1248a1121
132c12a55
141c4266d
151395b84
hexd7d169

14143849 has 4 divisors (see below), whose sum is σ = 14151760. Its totient is φ = 14135940.

The previous prime is 14143837. The next prime is 14143853. The reversal of 14143849 is 94834141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94834141 = 643147487.

It is a cyclic number.

It is not a de Polignac number, because 14143849 - 25 = 14143817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14143819) 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, 142 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (3537940).

Almost surely, 214143849 is an apocalyptic number.

It is an amenable number.

14143849 is a deficient number, since it is larger than the sum of its proper divisors (7911).

14143849 is an equidigital number, since it uses as much as digits as its factorization.

14143849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910.

The product of its digits is 13824, while the sum is 34.

The square root of 14143849 is about 3760.8308922364. The cubic root of 14143849 is about 241.8368832252.

The spelling of 14143849 in words is "fourteen million, one hundred forty-three thousand, eight hundred forty-nine".

Divisors: 1 2731 5179 14143849