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242003111 = 7222721757
BaseRepresentation
bin11100110110010…
…10110010100111
3121212101000212012
432123022302213
5443423044421
640002544435
75665664300
oct1633126247
9555330765
10242003111
11114671579
126906811b
133b1a280c
14241d77a7
15163a495b
hexe6caca7

242003111 has 12 divisors (see below), whose sum is σ = 282766968. Its totient is φ = 206507952.

The previous prime is 242003089. The next prime is 242003123. The reversal of 242003111 is 111300242.

It is not a de Polignac number, because 242003111 - 210 = 242002087 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 (242003161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (23563914).

Almost surely, 2242003111 is an apocalyptic number.

242003111 is a deficient number, since it is larger than the sum of its proper divisors (40763857).

242003111 is a wasteful number, since it uses less digits than its factorization.

242003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 242003111 is about 15556.4491771098. The cubic root of 242003111 is about 623.1706387775.

Adding to 242003111 its reverse (111300242), we get a palindrome (353303353).

The spelling of 242003111 in words is "two hundred forty-two million, three thousand, one hundred eleven".

Divisors: 1 7 49 227 1589 11123 21757 152299 1066093 4938839 34571873 242003111