Search a number
-
+
7245306 = 232402517
BaseRepresentation
bin11011101000110111111010
3111122002200200
4123220313322
53323322211
6415143030
7115404225
oct33506772
914562620
107245306
1140a9562
122514a76
131668a83
14d685bc
15981b56
hex6e8dfa

7245306 has 12 divisors (see below), whose sum is σ = 15698202. Its totient is φ = 2415096.

The previous prime is 7245283. The next prime is 7245307. The reversal of 7245306 is 6035427.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 2873025 = 2091^2 + 1695^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7245306.

It is not an unprimeable number, because it can be changed into a prime (7245307) 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, 201241 + ... + 201276.

Almost surely, 27245306 is an apocalyptic number.

7245306 is an abundant number, since it is smaller than the sum of its proper divisors (8452896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7245306 is a wasteful number, since it uses less digits than its factorization.

7245306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402525 (or 402522 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7245306 is about 2691.7106085165. The cubic root of 7245306 is about 193.5020531401.

The spelling of 7245306 in words is "seven million, two hundred forty-five thousand, three hundred six".

Divisors: 1 2 3 6 9 18 402517 805034 1207551 2415102 3622653 7245306