Search a number
-
+
14220145 = 510192791
BaseRepresentation
bin110110001111…
…101101110001
3222202110101001
4312033231301
512120021040
61224442001
7231604102
oct66175561
928673331
1014220145
118032895
124919301
132c3b6b4
141c623a9
1513ad59a
hexd8fb71

14220145 has 8 divisors (see below), whose sum is σ = 17087040. Its totient is φ = 11360880.

The previous prime is 14220133. The next prime is 14220191. The reversal of 14220145 is 54102241.

14220145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14220145 - 211 = 14218097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 6490.

It is an arithmetic number, because the mean of its divisors is an integer number (2135880).

Almost surely, 214220145 is an apocalyptic number.

It is an amenable number.

14220145 is a deficient number, since it is larger than the sum of its proper divisors (2866895).

14220145 is a wasteful number, since it uses less digits than its factorization.

14220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14220145 is about 3770.9607529117. The cubic root of 14220145 is about 242.2709496264.

Adding to 14220145 its reverse (54102241), we get a palindrome (68322386).

It can be divided in two parts, 14220 and 145, that added together give a triangular number (14365 = T169).

The spelling of 14220145 in words is "fourteen million, two hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 1019 2791 5095 13955 2844029 14220145