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242241111 = 357532687
BaseRepresentation
bin11100111000001…
…00111001010111
3121212211010100000
432130010321113
5444003203421
640012022343
76001005210
oct1634047127
9555733300
10242241111
11114814372
12691619b3
133b256c48
142425a407
1516400226
hexe704e57

242241111 has 48 divisors (see below), whose sum is σ = 422682624. Its totient is φ = 135761184.

The previous prime is 242241101. The next prime is 242241119. The reversal of 242241111 is 111142242.

242241111 is a `hidden beast` number, since 242 + 2 + 411 + 11 = 666.

It is not a de Polignac number, because 242241111 - 210 = 242240087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242241119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88810 + ... + 91496.

It is an arithmetic number, because the mean of its divisors is an integer number (8805888).

Almost surely, 2242241111 is an apocalyptic number.

242241111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242241111 is a deficient number, since it is larger than the sum of its proper divisors (180441513).

242241111 is an equidigital number, since it uses as much as digits as its factorization.

242241111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2750 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 242241111 is about 15564.0968578328. The cubic root of 242241111 is about 623.3748593177.

Adding to 242241111 its reverse (111142242), we get a palindrome (353383353).

The spelling of 242241111 in words is "two hundred forty-two million, two hundred forty-one thousand, one hundred eleven".

Divisors: 1 3 7 9 21 27 53 63 81 159 189 243 371 477 567 1113 1431 1701 2687 3339 4293 8061 10017 12879 18809 24183 30051 56427 72549 90153 142411 169281 217647 427233 507843 652941 996877 1281699 1523529 2990631 3845097 4570587 8971893 11535291 26915679 34605873 80747037 242241111