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11243125 = 5417989
BaseRepresentation
bin101010111000…
…111001110101
3210011012200001
4222320321311
510334240000
61040551301
7164364535
oct52707165
923135601
1011243125
11638a143
123922531
13243864a
1416c94c5
15ec146a
hexab8e75

11243125 has 10 divisors (see below), whose sum is σ = 14050190. Its totient is φ = 8994000.

The previous prime is 11243119. The next prime is 11243131. The reversal of 11243125 is 52134211.

It is an interprime number because it is at equal distance from previous prime (11243119) and next prime (11243131).

It can be written as a sum of positive squares in 5 ways, for example, as 2896804 + 8346321 = 1702^2 + 2889^2 .

It is not a de Polignac number, because 11243125 - 27 = 11242997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8370 + ... + 9619.

It is an arithmetic number, because the mean of its divisors is an integer number (1405019).

Almost surely, 211243125 is an apocalyptic number.

It is an amenable number.

11243125 is a deficient number, since it is larger than the sum of its proper divisors (2807065).

11243125 is an frugal number, since it uses more digits than its factorization.

11243125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009 (or 17994 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 11243125 is about 3353.0769451356. The cubic root of 11243125 is about 224.0245840896.

Adding to 11243125 its reverse (52134211), we get a palindrome (63377336).

The spelling of 11243125 in words is "eleven million, two hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 17989 89945 449725 2248625 11243125