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68673503 is a prime number
BaseRepresentation
bin1000001011111…
…01111111011111
311210012222100002
410011331333133
5120040023003
610451524515
71462500203
oct405757737
9153188302
1068673503
1135845468
121abb973b
13112c5b12
149198b03
156067a88
hex417dfdf

68673503 has 2 divisors, whose sum is σ = 68673504. Its totient is φ = 68673502.

The previous prime is 68673497. The next prime is 68673541. The reversal of 68673503 is 30537686.

It is an a-pointer prime, because the next prime (68673541) can be obtained adding 68673503 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68673503 - 214 = 68657119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68678503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34336751 + 34336752.

It is an arithmetic number, because the mean of its divisors is an integer number (34336752).

Almost surely, 268673503 is an apocalyptic number.

68673503 is a deficient number, since it is larger than the sum of its proper divisors (1).

68673503 is an equidigital number, since it uses as much as digits as its factorization.

68673503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 68673503 is about 8286.9477493224. The cubic root of 68673503 is about 409.5086380163.

The spelling of 68673503 in words is "sixty-eight million, six hundred seventy-three thousand, five hundred three".