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7288013 is a prime number
BaseRepresentation
bin11011110011010011001101
3111201021021102
4123303103031
53331204023
6420112445
7115642565
oct33632315
914637242
107288013
114128657
122535725
131682345
14d79da5
1598e628
hex6f34cd

7288013 has 2 divisors, whose sum is σ = 7288014. Its totient is φ = 7288012.

The previous prime is 7287997. The next prime is 7288031. The reversal of 7288013 is 3108827.

Together with next prime (7288031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 386884 = 2627^2 + 622^2 .

It is an emirp because it is prime and its reverse (3108827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7288013 - 24 = 7287997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7288063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644006 + 3644007.

It is an arithmetic number, because the mean of its divisors is an integer number (3644007).

Almost surely, 27288013 is an apocalyptic number.

It is an amenable number.

7288013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7288013 is an equidigital number, since it uses as much as digits as its factorization.

7288013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7288013 is about 2699.6320119601. The cubic root of 7288013 is about 193.8815037871.

The spelling of 7288013 in words is "seven million, two hundred eighty-eight thousand, thirteen".