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BaseRepresentation
bin1000001101100…
…01100110100111
311210121201022201
410012301212213
5120113304103
610500235331
71464340423
oct406614647
9153551281
1068884903
113597a27a
121b09bb47
131136b0c9
149211b83
1560aa51d
hex41b19a7

68884903 has 2 divisors, whose sum is σ = 68884904. Its totient is φ = 68884902.

The previous prime is 68884897. The next prime is 68884951. The reversal of 68884903 is 30948886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68884903 - 221 = 66787751 is a prime.

It is a super-2 number, since 2×688849032 = 9490259722638818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68884973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34442451 + 34442452.

It is an arithmetic number, because the mean of its divisors is an integer number (34442452).

Almost surely, 268884903 is an apocalyptic number.

68884903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68884903 is an equidigital number, since it uses as much as digits as its factorization.

68884903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 68884903 is about 8299.6929461276. The cubic root of 68884903 is about 409.9284090746.

The spelling of 68884903 in words is "sixty-eight million, eight hundred eighty-four thousand, nine hundred three".