Search a number
-
+
11242071 = 34472953
BaseRepresentation
bin101010111000…
…101001010111
3210011011020000
4222320221113
510334221241
61040542343
7164361501
oct52705127
923134200
1011242071
116389375
1239219b3
132438019
1416c8d71
15ec0eb6
hexab8a57

11242071 has 20 divisors (see below), whose sum is σ = 17156832. Its totient is φ = 7332768.

The previous prime is 11242067. The next prime is 11242079. The reversal of 11242071 is 17024211.

It is not a de Polignac number, because 11242071 - 22 = 11242067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2331 + ... + 5283.

Almost surely, 211242071 is an apocalyptic number.

11242071 is a deficient number, since it is larger than the sum of its proper divisors (5914761).

11242071 is an equidigital number, since it uses as much as digits as its factorization.

11242071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11242071 is about 3352.9197723775. The cubic root of 11242071 is about 224.0175833880.

Adding to 11242071 its reverse (17024211), we get a palindrome (28266282).

The spelling of 11242071 in words is "eleven million, two hundred forty-two thousand, seventy-one".

Divisors: 1 3 9 27 47 81 141 423 1269 2953 3807 8859 26577 79731 138791 239193 416373 1249119 3747357 11242071