Search a number
-
+
14042069 = 26952201
BaseRepresentation
bin110101100100…
…001111010101
3222102102002122
4311210033111
512043321234
61220545325
7230232656
oct65441725
928372078
1014042069
117a21018
124852245
132ba8622
141c1752d
15137592e
hexd643d5

14042069 has 4 divisors (see below), whose sum is σ = 14094540. Its totient is φ = 13989600.

The previous prime is 14042057. The next prime is 14042071. The reversal of 14042069 is 96024041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96024041 = 175648473.

It can be written as a sum of positive squares in 2 ways, for example, as 6061444 + 7980625 = 2462^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 14042069 - 24 = 14042053 is a prime.

It is a super-2 number, since 2×140420692 = 394359403601522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14042099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25832 + ... + 26369.

It is an arithmetic number, because the mean of its divisors is an integer number (3523635).

Almost surely, 214042069 is an apocalyptic number.

It is an amenable number.

14042069 is a deficient number, since it is larger than the sum of its proper divisors (52471).

14042069 is an equidigital number, since it uses as much as digits as its factorization.

14042069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52470.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 14042069 is about 3747.2748764936. The cubic root of 14042069 is about 241.2553951920.

The spelling of 14042069 in words is "fourteen million, forty-two thousand, sixty-nine".

Divisors: 1 269 52201 14042069