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BaseRepresentation
bin10101111101001
3120102100
42233221
5324431
6124013
744526
oct25751
916370
1011241
11849a
126609
135169
14414d
1534e6
hex2be9

11241 has 6 divisors (see below), whose sum is σ = 16250. Its totient is φ = 7488.

The previous prime is 11239. The next prime is 11243. The reversal of 11241 is 14211.

Adding to 11241 its reverse (14211), we get a palindrome (25452).

It can be divided in two parts, 112 and 41, that added together give a triangular number (153 = T17).

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11239) and next prime (11243).

It can be written as a sum of positive squares in only one way, i.e., 9216 + 2025 = 96^2 + 45^2 .

It is not a de Polignac number, because 11241 - 21 = 11239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1249 = 11241 / (1 + 1 + 2 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616 + ... + 633.

211241 is an apocalyptic number.

It is an amenable number.

11241 is a deficient number, since it is larger than the sum of its proper divisors (5009).

11241 is a wasteful number, since it uses less digits than its factorization.

11241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1252 counting only the distinct ones).

The product of its digits is 8, while the sum is 9.

The square root of 11241 is about 106.0235822824. The cubic root of 11241 is about 22.4010469324.

The spelling of 11241 in words is "eleven thousand, two hundred forty-one", and thus it is an iban number.

Divisors: 1 3 9 1249 3747 11241