Base | Representation |
---|---|
bin | 11010111001001… |
… | …10101100111101 |
3 | 120201111210021011 |
4 | 31130212230331 |
5 | 430223233430 |
6 | 34215235221 |
7 | 5406405562 |
oct | 1534465475 |
9 | 521453234 |
10 | 225602365 |
11 | 10638a43a |
12 | 63678b11 |
13 | 3797c731 |
14 | 21d68869 |
15 | 14c1522a |
hex | d726b3d |
225602365 has 4 divisors (see below), whose sum is σ = 270722844. Its totient is φ = 180481888.
The previous prime is 225602329. The next prime is 225602417. The reversal of 225602365 is 563206522.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 114468601 + 111133764 = 10699^2 + 10542^2 .
It is a cyclic number.
It is not a de Polignac number, because 225602365 - 29 = 225601853 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22560232 + ... + 22560241.
It is an arithmetic number, because the mean of its divisors is an integer number (67680711).
Almost surely, 2225602365 is an apocalyptic number.
It is an amenable number.
225602365 is a deficient number, since it is larger than the sum of its proper divisors (45120479).
225602365 is an equidigital number, since it uses as much as digits as its factorization.
225602365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45120478.
The product of its (nonzero) digits is 21600, while the sum is 31.
The square root of 225602365 is about 15020.0654126405. The cubic root of 225602365 is about 608.7624871122.
Adding to 225602365 its reverse (563206522), we get a palindrome (788808887).
The spelling of 225602365 in words is "two hundred twenty-five million, six hundred two thousand, three hundred sixty-five".
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