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14142641 = 109129749
BaseRepresentation
bin110101111100…
…110010110001
3222121112001112
4311330302301
512110031031
61223043105
7231132122
oct65746261
928545045
1014142641
117a8a637
1248a0495
132c12336
141c42049
15139562b
hexd7ccb1

14142641 has 4 divisors (see below), whose sum is σ = 14272500. Its totient is φ = 14012784.

The previous prime is 14142617. The next prime is 14142643. The reversal of 14142641 is 14624141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9610000 + 4532641 = 3100^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 14142641 - 214 = 14126257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142643) 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, 64766 + ... + 64983.

It is an arithmetic number, because the mean of its divisors is an integer number (3568125).

Almost surely, 214142641 is an apocalyptic number.

It is an amenable number.

14142641 is a deficient number, since it is larger than the sum of its proper divisors (129859).

14142641 is a wasteful number, since it uses less digits than its factorization.

14142641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129858.

The product of its digits is 768, while the sum is 23.

The square root of 14142641 is about 3760.6702859996. The cubic root of 14142641 is about 241.8299980821.

Adding to 14142641 its reverse (14624141), we get a palindrome (28766782).

The spelling of 14142641 in words is "fourteen million, one hundred forty-two thousand, six hundred forty-one".

Divisors: 1 109 129749 14142641