Search a number
-
+
242332331 = 1714254843
BaseRepresentation
bin11100111000110…
…11001010101011
3121212222202110112
432130123022223
5444014113311
640014004535
76001535153
oct1634331253
9555882415
10242332331
1111487695a
12691a674b
133b289617
1424281763
151641c28b
hexe71b2ab

242332331 has 4 divisors (see below), whose sum is σ = 256587192. Its totient is φ = 228077472.

The previous prime is 242332291. The next prime is 242332339. The reversal of 242332331 is 133233242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133233242 = 266616621.

It is a cyclic number.

It is not a de Polignac number, because 242332331 - 26 = 242332267 is a prime.

It is a super-2 number, since 2×2423323312 = 117449917295787122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242332297 and 242332306.

It is not an unprimeable number, because it can be changed into a prime (242332339) 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, 7127405 + ... + 7127438.

It is an arithmetic number, because the mean of its divisors is an integer number (64146798).

Almost surely, 2242332331 is an apocalyptic number.

242332331 is a deficient number, since it is larger than the sum of its proper divisors (14254861).

242332331 is a wasteful number, since it uses less digits than its factorization.

242332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254860.

The product of its digits is 2592, while the sum is 23.

The square root of 242332331 is about 15567.0270443653. The cubic root of 242332331 is about 623.4530969576.

Adding to 242332331 its reverse (133233242), we get a palindrome (375565573).

The spelling of 242332331 in words is "two hundred forty-two million, three hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 17 14254843 242332331