Search a number
-
+
14533221 = 322721341
BaseRepresentation
bin110111011100…
…001001100101
31000100100211110
4313130021211
512210030341
61235255233
7234346623
oct67341145
930310743
1014533221
11822702a
124a4a519
13301b051
141d04513
151421216
hexddc265

14533221 has 8 divisors (see below), whose sum is σ = 19463904. Its totient is φ = 9645680.

The previous prime is 14533213. The next prime is 14533223. The reversal of 14533221 is 12233541.

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

It is a cyclic number.

It is not a de Polignac number, because 14533221 - 23 = 14533213 is a prime.

It is a super-2 number, since 2×145332212 = 422429025269682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14533223) 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 7 ways as a sum of consecutive naturals, for example, 9990 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (2432988).

Almost surely, 214533221 is an apocalyptic number.

It is an amenable number.

14533221 is a deficient number, since it is larger than the sum of its proper divisors (4930683).

14533221 is a wasteful number, since it uses less digits than its factorization.

14533221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21571.

The product of its digits is 720, while the sum is 21.

The square root of 14533221 is about 3812.2461882727. The cubic root of 14533221 is about 244.0360344971.

Adding to 14533221 its reverse (12233541), we get a palindrome (26766762).

The spelling of 14533221 in words is "fourteen million, five hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 227 681 21341 64023 4844407 14533221