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14142841 = 31094549
BaseRepresentation
bin110101111100…
…110101111001
3222121112022221
4311330311321
512110032331
61223044041
7231132526
oct65746571
928545287
1014142841
117a8a7a9
1248a0621
132c1245b
141c4214d
151395711
hexd7cd79

14142841 has 4 divisors (see below), whose sum is σ = 14150500. Its totient is φ = 14135184.

The previous prime is 14142839. The next prime is 14142853. The reversal of 14142841 is 14824141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6325225 + 7817616 = 2515^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 14142841 - 21 = 14142839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142871) 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, 835 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (3537625).

Almost surely, 214142841 is an apocalyptic number.

It is an amenable number.

14142841 is a deficient number, since it is larger than the sum of its proper divisors (7659).

14142841 is an equidigital number, since it uses as much as digits as its factorization.

14142841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658.

The product of its digits is 1024, while the sum is 25.

The square root of 14142841 is about 3760.6968769099. The cubic root of 14142841 is about 241.8311380335.

Adding to 14142841 its reverse (14824141), we get a palindrome (28966982).

The spelling of 14142841 in words is "fourteen million, one hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 3109 4549 14142841