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242331443 = 415910523
BaseRepresentation
bin11100111000110…
…10111100110011
3121212222201020122
432130122330303
5444014101233
640014000455
76001532444
oct1634327463
9555881218
10242331443
11114876222
12691a612b
133b2890b3
14242812cb
151641bd98
hexe71af33

242331443 has 4 divisors (see below), whose sum is σ = 248242008. Its totient is φ = 236420880.

The previous prime is 242331431. The next prime is 242331487. The reversal of 242331443 is 344133242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242331443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242331493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955221 + ... + 2955302.

It is an arithmetic number, because the mean of its divisors is an integer number (62060502).

Almost surely, 2242331443 is an apocalyptic number.

242331443 is a deficient number, since it is larger than the sum of its proper divisors (5910565).

242331443 is an equidigital number, since it uses as much as digits as its factorization.

242331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910564.

The product of its digits is 6912, while the sum is 26.

The square root of 242331443 is about 15566.9985225155. The cubic root of 242331443 is about 623.4523354317.

Adding to 242331443 its reverse (344133242), we get a palindrome (586464685).

The spelling of 242331443 in words is "two hundred forty-two million, three hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 41 5910523 242331443