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10111225 = 52404449
BaseRepresentation
bin100110100100…
…100011111001
3201000200222211
4212210203321
510042024400
61000415121
7151641535
oct46444371
921020884
1010111225
115786793
1234774a1
132130397
1414b2bc5
15d4adba
hex9a48f9

10111225 has 6 divisors (see below), whose sum is σ = 12537950. Its totient is φ = 8088960.

The previous prime is 10111207. The next prime is 10111229. The reversal of 10111225 is 52211101.

10111225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 10106041 = 72^2 + 3179^2 .

It is not a de Polignac number, because 10111225 - 213 = 10103033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111229) 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, 202200 + ... + 202249.

Almost surely, 210111225 is an apocalyptic number.

It is an amenable number.

10111225 is a deficient number, since it is larger than the sum of its proper divisors (2426725).

10111225 is an equidigital number, since it uses as much as digits as its factorization.

10111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404459 (or 404454 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 10111225 is about 3179.8152462054. The cubic root of 10111225 is about 216.2392824385.

Adding to 10111225 its reverse (52211101), we get a palindrome (62322326).

The spelling of 10111225 in words is "ten million, one hundred eleven thousand, two hundred twenty-five".

Divisors: 1 5 25 404449 2022245 10111225