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7826713 is a prime number
BaseRepresentation
bin11101110110110100011001
3112201122020021
4131312310121
54000423323
6435430441
7123345256
oct35666431
915648207
107826713
114466364
122755421
1318105bb
14107a42d
15a4905d
hex776d19

7826713 has 2 divisors, whose sum is σ = 7826714. Its totient is φ = 7826712.

The previous prime is 7826711. The next prime is 7826737. The reversal of 7826713 is 3176287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6012304 + 1814409 = 2452^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 7826713 - 21 = 7826711 is a prime.

It is a super-3 number, since 3×78267133 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 7826711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7826711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913356 + 3913357.

It is an arithmetic number, because the mean of its divisors is an integer number (3913357).

Almost surely, 27826713 is an apocalyptic number.

It is an amenable number.

7826713 is a deficient number, since it is larger than the sum of its proper divisors (1).

7826713 is an equidigital number, since it uses as much as digits as its factorization.

7826713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 7826713 is about 2797.6263152894. The cubic root of 7826713 is about 198.5453878323.

The spelling of 7826713 in words is "seven million, eight hundred twenty-six thousand, seven hundred thirteen".