Search a number
-
+
7316213 is a prime number
BaseRepresentation
bin11011111010001011110101
3111202200221212
4123322023311
53333104323
6420451205
7116121032
oct33721365
914680855
107316213
114147863
122549b05
131692128
14d86389
15997b78
hex6fa2f5

7316213 has 2 divisors, whose sum is σ = 7316214. Its totient is φ = 7316212.

The previous prime is 7316203. The next prime is 7316227. The reversal of 7316213 is 3126137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6436369 + 879844 = 2537^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7316213 is a prime.

It is a super-2 number, since 2×73162132 = 107053945322738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7316203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658106 + 3658107.

It is an arithmetic number, because the mean of its divisors is an integer number (3658107).

Almost surely, 27316213 is an apocalyptic number.

It is an amenable number.

7316213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7316213 is an equidigital number, since it uses as much as digits as its factorization.

7316213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 7316213 is about 2704.8499034142. The cubic root of 7316213 is about 194.1312482034.

The spelling of 7316213 in words is "seven million, three hundred sixteen thousand, two hundred thirteen".