Search a number
7247 is a prime number
BaseRepresentation
bin1110001001111
3100221102
41301033
5212442
653315
730062
oct16117
910842
107247
115499
12423b
1333b6
1428d9
152232
hex1c4f

7247 has 2 divisors, whose sum is σ = 7248. Its totient is φ = 7246.

The previous prime is 7243. The next prime is 7253. The reversal of 7247 is 7427.

Subtracting from 7247 its sum of digits (20), we obtain a palindrome (7227).

7247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7247 - 22 = 7243 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3623 + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (3624).

27247 is an apocalyptic number.

7247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7247 is an equidigital number, since it uses as much as digits as its factorization.

7247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 20.

The square root of 7247 is about 85.1293134003. The cubic root of 7247 is about 19.3517132647.

The spelling of 7247 in words is "seven thousand, two hundred forty-seven", and thus it is an iban number.