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7216241 is a prime number
BaseRepresentation
bin11011100001110001110001
3111120121211012
4123201301301
53321404431
6414400305
7115223414
oct33416161
914517735
107216241
11408973a
122500095
131658786
14d5bb7b
1597822b
hex6e1c71

7216241 has 2 divisors, whose sum is σ = 7216242. Its totient is φ = 7216240.

The previous prime is 7216213. The next prime is 7216247. The reversal of 7216241 is 1426127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3625216 + 3591025 = 1904^2 + 1895^2 .

It is an emirp because it is prime and its reverse (1426127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7216241 - 210 = 7215217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7216247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3608120 + 3608121.

It is an arithmetic number, because the mean of its divisors is an integer number (3608121).

Almost surely, 27216241 is an apocalyptic number.

It is an amenable number.

7216241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7216241 is an equidigital number, since it uses as much as digits as its factorization.

7216241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 7216241 is about 2686.3061999705. The cubic root of 7216241 is about 193.2429578258.

The spelling of 7216241 in words is "seven million, two hundred sixteen thousand, two hundred forty-one".