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68383307 is a prime number
BaseRepresentation
bin1000001001101…
…11001001001011
311202200020021002
410010313021023
5120001231212
610441405215
71460151146
oct404671113
9152606232
1068383307
1135667433
121aa9980b
13112239c5
14912105d
15600bac2
hex413724b

68383307 has 2 divisors, whose sum is σ = 68383308. Its totient is φ = 68383306.

The previous prime is 68383291. The next prime is 68383309. The reversal of 68383307 is 70338386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68383307 - 24 = 68383291 is a prime.

Together with 68383309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68383309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191653 + 34191654.

It is an arithmetic number, because the mean of its divisors is an integer number (34191654).

Almost surely, 268383307 is an apocalyptic number.

68383307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383307 is an equidigital number, since it uses as much as digits as its factorization.

68383307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 68383307 is about 8269.4199917527. The cubic root of 68383307 is about 408.9309986557.

The spelling of 68383307 in words is "sixty-eight million, three hundred eighty-three thousand, three hundred seven".