Search a number
-
+
236345225 = 529453809
BaseRepresentation
bin11100001011001…
…01011110001001
3121110201120200212
432011211132021
5441001021400
635241410505
75566621064
oct1605453611
9543646625
10236345225
11111457736
1267199a35
1339c7145c
14235638db
1515b38335
hexe165789

236345225 has 6 divisors (see below), whose sum is σ = 293068110. Its totient is φ = 189076160.

The previous prime is 236345201. The next prime is 236345231. The reversal of 236345225 is 522543632.

236345225 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 753424 + 235591801 = 868^2 + 15349^2 .

It is not a de Polignac number, because 236345225 - 212 = 236341129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 236345191 and 236345200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4726880 + ... + 4726929.

It is an arithmetic number, because the mean of its divisors is an integer number (48844685).

Almost surely, 2236345225 is an apocalyptic number.

236345225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

236345225 is a deficient number, since it is larger than the sum of its proper divisors (56722885).

236345225 is an equidigital number, since it uses as much as digits as its factorization.

236345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453819 (or 9453814 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 236345225 is about 15373.5235063404. The cubic root of 236345225 is about 618.2758418869.

Adding to 236345225 its reverse (522543632), we get a palindrome (758888857).

The spelling of 236345225 in words is "two hundred thirty-six million, three hundred forty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 9453809 47269045 236345225