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11440225 = 52457609
BaseRepresentation
bin101011101001…
…000001100001
3210112020001001
4223221001201
510412041400
61045112001
7166145266
oct53510141
923466031
1011440225
116504235
1239b8601
1324a7284
14173b26d
15100ea6a
hexae9061

11440225 has 6 divisors (see below), whose sum is σ = 14185910. Its totient is φ = 9152160.

The previous prime is 11440217. The next prime is 11440229. The reversal of 11440225 is 52204411.

It can be written as a sum of positive squares in 3 ways, for example, as 42849 + 11397376 = 207^2 + 3376^2 .

It is not a de Polignac number, because 11440225 - 23 = 11440217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11440229) 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, 228780 + ... + 228829.

Almost surely, 211440225 is an apocalyptic number.

It is an amenable number.

11440225 is a deficient number, since it is larger than the sum of its proper divisors (2745685).

11440225 is an equidigital number, since it uses as much as digits as its factorization.

11440225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457619 (or 457614 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11440225 is about 3382.3401662163. The cubic root of 11440225 is about 225.3261114729.

Adding to 11440225 its reverse (52204411), we get a palindrome (63644636).

The spelling of 11440225 in words is "eleven million, four hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 25 457609 2288045 11440225