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68448847 is a prime number
BaseRepresentation
bin1000001010001…
…11001001001111
311202210120011111
410011013021033
5120010330342
610443032451
71460543215
oct405071117
9152716144
1068448847
11357016a5
121ab0b727
131124779c
14913acb5
156021217
hex414724f

68448847 has 2 divisors, whose sum is σ = 68448848. Its totient is φ = 68448846.

The previous prime is 68448841. The next prime is 68448889. The reversal of 68448847 is 74884486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68448847 - 211 = 68446799 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 68448847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68448841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34224423 + 34224424.

It is an arithmetic number, because the mean of its divisors is an integer number (34224424).

Almost surely, 268448847 is an apocalyptic number.

68448847 is a deficient number, since it is larger than the sum of its proper divisors (1).

68448847 is an equidigital number, since it uses as much as digits as its factorization.

68448847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1376256, while the sum is 49.

The square root of 68448847 is about 8273.3818357429. The cubic root of 68448847 is about 409.0615996316.

The spelling of 68448847 in words is "sixty-eight million, four hundred forty-eight thousand, eight hundred forty-seven".