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113225 = 527647
BaseRepresentation
bin11011101001001001
312202022112
4123221021
512110400
62232105
7651050
oct335111
9182275
10113225
1178082
1255635
133c6c8
142d397
1523835
hex1ba49

113225 has 12 divisors (see below), whose sum is σ = 160704. Its totient is φ = 77520.

The previous prime is 113213. The next prime is 113227. The reversal of 113225 is 522311.

It is a happy number.

It is not a de Polignac number, because 113225 - 24 = 113209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113227) 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, 149 + ... + 498.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2113225 is an apocalyptic number.

It is an amenable number.

113225 is a deficient number, since it is larger than the sum of its proper divisors (47479).

113225 is an equidigital number, since it uses as much as digits as its factorization.

113225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 659 counting only the distinct ones).

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

The square root of 113225 is about 336.4892271678. The cubic root of 113225 is about 48.3779479716.

Adding to 113225 its reverse (522311), we get a palindrome (635536).

It can be divided in two parts, 113 and 225, that multiplied together give a triangular number (25425 = T225).

The spelling of 113225 in words is "one hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 647 3235 4529 16175 22645 113225