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11245 = 513173
BaseRepresentation
bin10101111101101
3120102111
42233231
5324440
6124021
744533
oct25755
916374
1011245
1184a3
126611
135170
144153
1534ea
hex2bed

11245 has 8 divisors (see below), whose sum is σ = 14616. Its totient is φ = 8256.

The previous prime is 11243. The next prime is 11251. The reversal of 11245 is 54211.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 9801 = 38^2 + 99^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11245 - 21 = 11243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

11245 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

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 7 ways as a sum of consecutive naturals, for example, 22 + ... + 151.

It is an arithmetic number, because the mean of its divisors is an integer number (1827).

211245 is an apocalyptic number.

It is an amenable number.

11245 is a deficient number, since it is larger than the sum of its proper divisors (3371).

11245 is a wasteful number, since it uses less digits than its factorization.

11245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its digits is 40, while the sum is 13.

The square root of 11245 is about 106.0424443324. The cubic root of 11245 is about 22.4037036818.

Adding to 11245 its reverse (54211), we get a palindrome (65456).

It can be divided in two parts, 11 and 245, that added together give a 8-th power (256 = 28).

The spelling of 11245 in words is "eleven thousand, two hundred forty-five".

Divisors: 1 5 13 65 173 865 2249 11245