Search a number
-
+
214442323 = 1731239551
BaseRepresentation
bin11001100100000…
…10000101010011
3112221111210120021
430302002011103
5414344123243
633140124311
75212505164
oct1462020523
9487453507
10214442323
11100057767
125b996697
1335572b64
14206a176b
1513c5d6ed
hexcc82153

214442323 has 4 divisors (see below), whose sum is σ = 215682048. Its totient is φ = 213202600.

The previous prime is 214442309. The next prime is 214442351. The reversal of 214442323 is 323244412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214442323 - 221 = 212345171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214442353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619603 + ... + 619948.

It is an arithmetic number, because the mean of its divisors is an integer number (53920512).

Almost surely, 2214442323 is an apocalyptic number.

214442323 is a deficient number, since it is larger than the sum of its proper divisors (1239725).

214442323 is a wasteful number, since it uses less digits than its factorization.

214442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239724.

The product of its digits is 4608, while the sum is 25.

The square root of 214442323 is about 14643.8493231800. The cubic root of 214442323 is about 598.5542255065.

Adding to 214442323 its reverse (323244412), we get a palindrome (537686735).

The spelling of 214442323 in words is "two hundred fourteen million, four hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 173 1239551 214442323