Search a number
-
+
14013218 = 226472
BaseRepresentation
bin110101011101…
…001100100010
3222100221112002
4311131030202
512041410333
61220204002
7230052602
oct65351442
928327462
1014013218
117a0137a
124839602
132b9845b
141c0ac02
15136c0e8
hexd5d322

14013218 has 6 divisors (see below), whose sum is σ = 21027771. Its totient is φ = 7003962.

The previous prime is 14013217. The next prime is 14013229. The reversal of 14013218 is 81231041.

14013218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 7006609 = 2647^2 + 2647^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2647.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14013218.

It is not an unprimeable number, because it can be changed into a prime (14013211) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3971 + ... + 6617.

Almost surely, 214013218 is an apocalyptic number.

14013218 is a deficient number, since it is larger than the sum of its proper divisors (7014553).

14013218 is an frugal number, since it uses more digits than its factorization.

14013218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 14013218 is about 3743.4232996016. The cubic root of 14013218 is about 241.0900531789.

Adding to 14013218 its reverse (81231041), we get a palindrome (95244259).

The spelling of 14013218 in words is "fourteen million, thirteen thousand, two hundred eighteen".

Divisors: 1 2 2647 5294 7006609 14013218