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7240361 is a prime number
BaseRepresentation
bin11011100111101010101001
3111121211220112
4123213222221
53323142421
6415104105
7115353632
oct33475251
914554815
107240361
1140a5877
122512035
13166674b
14d66889
1598045b
hex6e7aa9

7240361 has 2 divisors, whose sum is σ = 7240362. Its totient is φ = 7240360.

The previous prime is 7240333. The next prime is 7240381. The reversal of 7240361 is 1630427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 712336 = 2555^2 + 844^2 .

It is an emirp because it is prime and its reverse (1630427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7240361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7240301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620180 + 3620181.

It is an arithmetic number, because the mean of its divisors is an integer number (3620181).

Almost surely, 27240361 is an apocalyptic number.

It is an amenable number.

7240361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240361 is an equidigital number, since it uses as much as digits as its factorization.

7240361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7240361 is about 2690.7918908752. The cubic root of 7240361 is about 193.4580207037.

Adding to 7240361 its reverse (1630427), we get a palindrome (8870788).

The spelling of 7240361 in words is "seven million, two hundred forty thousand, three hundred sixty-one".