Search a number
-
+
242422423 = 379639637
BaseRepresentation
bin11100111001100…
…01001010010111
3121220011100001021
432130301022113
5444030004143
640015542011
76002361625
oct1634611227
9556140037
10242422423
11114928611
126922a907
133b2bb629
14242a6515
1516438ced
hexe731297

242422423 has 4 divisors (see below), whose sum is σ = 243062440. Its totient is φ = 241782408.

The previous prime is 242422421. The next prime is 242422429. The reversal of 242422423 is 324224242.

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 242422423 - 21 = 242422421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242422421) 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, 319440 + ... + 320197.

It is an arithmetic number, because the mean of its divisors is an integer number (60765610).

Almost surely, 2242422423 is an apocalyptic number.

242422423 is a deficient number, since it is larger than the sum of its proper divisors (640017).

242422423 is an equidigital number, since it uses as much as digits as its factorization.

242422423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640016.

The product of its digits is 6144, while the sum is 25.

The square root of 242422423 is about 15569.9204558019. The cubic root of 242422423 is about 623.5303478649.

Adding to 242422423 its reverse (324224242), we get a palindrome (566646665).

The spelling of 242422423 in words is "two hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-three".

Divisors: 1 379 639637 242422423