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68337901 is a prime number
BaseRepresentation
bin1000001001011…
…00000011101101
311202120220222101
410010230003231
5114443303101
610440415101
71456601602
oct404540355
9152526871
1068337901
1135636305
121aa77491
1311209138
14910c6a9
155eed401
hex412c0ed

68337901 has 2 divisors, whose sum is σ = 68337902. Its totient is φ = 68337900.

The previous prime is 68337883. The next prime is 68337917. The reversal of 68337901 is 10973386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 15760900 = 7251^2 + 3970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68337901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337961) 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, 34168950 + 34168951.

It is an arithmetic number, because the mean of its divisors is an integer number (34168951).

Almost surely, 268337901 is an apocalyptic number.

It is an amenable number.

68337901 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337901 is an equidigital number, since it uses as much as digits as its factorization.

68337901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 68337901 is about 8266.6741196203. The cubic root of 68337901 is about 408.8404695831.

The spelling of 68337901 in words is "sixty-eight million, three hundred thirty-seven thousand, nine hundred one".