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13100225 = 522322783
BaseRepresentation
bin110001111110…
…010011000001
3220122120010112
4301332103001
511323201400
61144441105
7216231035
oct61762301
926576115
1013100225
117438436
124479195
132938a18
141a501c5
15123b835
hexc7e4c1

13100225 has 12 divisors (see below), whose sum is σ = 16951296. Its totient is φ = 10024080.

The previous prime is 13100221. The next prime is 13100231. The reversal of 13100225 is 52200131.

It is a happy number.

13100225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13100225 - 22 = 13100221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10817 + ... + 11966.

It is an arithmetic number, because the mean of its divisors is an integer number (1412608).

Almost surely, 213100225 is an apocalyptic number.

It is an amenable number.

13100225 is a deficient number, since it is larger than the sum of its proper divisors (3851071).

13100225 is a wasteful number, since it uses less digits than its factorization.

13100225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816 (or 22811 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13100225 is about 3619.4232966040. The cubic root of 13100225 is about 235.7361853806.

Adding to 13100225 its reverse (52200131), we get a palindrome (65300356).

The spelling of 13100225 in words is "thirteen million, one hundred thousand, two hundred twenty-five".

Divisors: 1 5 23 25 115 575 22783 113915 524009 569575 2620045 13100225