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242011 = 7211449
BaseRepresentation
bin111011000101011011
3110021222101
4323011123
530221021
65104231
72025400
oct730533
9407871
10242011
11155910
12b8077
1386203
14642a7
154ba91
hex3b15b

242011 has 12 divisors (see below), whose sum is σ = 307800. Its totient is φ = 188160.

The previous prime is 242009. The next prime is 242057. The reversal of 242011 is 110242.

It is not a de Polignac number, because 242011 - 21 = 242009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2242011 is an apocalyptic number.

242011 is a deficient number, since it is larger than the sum of its proper divisors (65789).

242011 is a wasteful number, since it uses less digits than its factorization.

242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 242011 is about 491.9461352628. The cubic root of 242011 is about 62.3177410233.

Adding to 242011 its reverse (110242), we get a palindrome (352253).

Subtracting from 242011 its reverse (110242), we obtain a square (131769 = 3632).

The spelling of 242011 in words is "two hundred forty-two thousand, eleven", and thus it is an iban number.

Divisors: 1 7 11 49 77 449 539 3143 4939 22001 34573 242011