Search a number
-
+
30222323 = 73341231
BaseRepresentation
bin111001101001…
…0011111110011
32002212110020022
41303102133303
530214103243
62555434055
7514612505
oct163223763
962773208
1030222323
111607252a
12a15592b
136352241
144029d75
1529beb68
hex1cd27f3

30222323 has 4 divisors (see below), whose sum is σ = 30264288. Its totient is φ = 30180360.

The previous prime is 30222307. The next prime is 30222373. The reversal of 30222323 is 32322203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32322203 = 51076329.

It is a cyclic number.

It is not a de Polignac number, because 30222323 - 24 = 30222307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30222373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19883 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (7566072).

Almost surely, 230222323 is an apocalyptic number.

30222323 is a deficient number, since it is larger than the sum of its proper divisors (41965).

30222323 is an equidigital number, since it uses as much as digits as its factorization.

30222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41964.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30222323 is about 5497.4833333081. The cubic root of 30222323 is about 311.4889281156.

Adding to 30222323 its reverse (32322203), we get a palindrome (62544526).

The spelling of 30222323 in words is "thirty million, two hundred twenty-two thousand, three hundred twenty-three".

Divisors: 1 733 41231 30222323