Search a number
-
+
14042146 = 27021073
BaseRepresentation
bin110101100100…
…010000100010
3222102102012111
4311210100202
512043322041
61220545534
7230233126
oct65442042
928372174
1014042146
117a21088
1248522aa
132ba8681
141c17586
151375981
hexd64422

14042146 has 4 divisors (see below), whose sum is σ = 21063222. Its totient is φ = 7021072.

The previous prime is 14042137. The next prime is 14042173. The reversal of 14042146 is 64124041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64124041 = 411564001.

It can be written as a sum of positive squares in only one way, i.e., 10660225 + 3381921 = 3265^2 + 1839^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510535 + ... + 3510538.

Almost surely, 214042146 is an apocalyptic number.

14042146 is a deficient number, since it is larger than the sum of its proper divisors (7021076).

14042146 is an equidigital number, since it uses as much as digits as its factorization.

14042146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021075.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14042146 is about 3747.2851506124. The cubic root of 14042146 is about 241.2558361676.

Adding to 14042146 its reverse (64124041), we get a palindrome (78166187).

The spelling of 14042146 in words is "fourteen million, forty-two thousand, one hundred forty-six".

Divisors: 1 2 7021073 14042146