Search a number
-
+
14221026 = 232790057
BaseRepresentation
bin110110001111…
…111011100010
3222202111120200
4312033323202
512120033101
61224450030
7231606501
oct66177342
928674520
1014221026
118033516
124919916
132c3bc11
141c62838
1513ad986
hexd8fee2

14221026 has 12 divisors (see below), whose sum is σ = 30812262. Its totient is φ = 4740336.

The previous prime is 14221021. The next prime is 14221069. The reversal of 14221026 is 62012241.

It can be written as a sum of positive squares in only one way, i.e., 12595401 + 1625625 = 3549^2 + 1275^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 790057 = 14221026 / (1 + 4 + 2 + 2 + 1 + 0 + 2 + 6).

It is not an unprimeable number, because it can be changed into a prime (14221021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395011 + ... + 395046.

Almost surely, 214221026 is an apocalyptic number.

14221026 is an abundant number, since it is smaller than the sum of its proper divisors (16591236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221026 is a wasteful number, since it uses less digits than its factorization.

14221026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790065 (or 790062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 14221026 is about 3771.0775648348. The cubic root of 14221026 is about 242.2759527704.

Adding to 14221026 its reverse (62012241), we get a palindrome (76233267).

The spelling of 14221026 in words is "fourteen million, two hundred twenty-one thousand, twenty-six".

Divisors: 1 2 3 6 9 18 790057 1580114 2370171 4740342 7110513 14221026