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68884897 is a prime number
BaseRepresentation
bin1000001101100…
…01100110100001
311210121201022111
410012301212201
5120113304042
610500235321
71464340414
oct406614641
9153551274
1068884897
113597a274
121b09bb41
131136b0c3
149211b7b
1560aa517
hex41b19a1

68884897 has 2 divisors, whose sum is σ = 68884898. Its totient is φ = 68884896.

The previous prime is 68884891. The next prime is 68884903. The reversal of 68884897 is 79848886.

It is a balanced prime because it is at equal distance from previous prime (68884891) and next prime (68884903).

It can be written as a sum of positive squares in only one way, i.e., 66438801 + 2446096 = 8151^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 68884897 - 27 = 68884769 is a prime.

It is not a weakly prime, because it can be changed into another prime (68884891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34442448 + 34442449.

It is an arithmetic number, because the mean of its divisors is an integer number (34442449).

Almost surely, 268884897 is an apocalyptic number.

It is an amenable number.

68884897 is a deficient number, since it is larger than the sum of its proper divisors (1).

68884897 is an equidigital number, since it uses as much as digits as its factorization.

68884897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 58.

The square root of 68884897 is about 8299.6925846684. The cubic root of 68884897 is about 409.9283971727.

The spelling of 68884897 in words is "sixty-eight million, eight hundred eighty-four thousand, eight hundred ninety-seven".