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68772983 is a prime number
BaseRepresentation
bin1000001100101…
…10010001110111
311210102000210112
410012112101313
5120101213413
610454013235
71463363216
oct406262167
9153360715
1068772983
1135903184
121b04721b
131132c196
1491c307d
1560872a8
hex4196477

68772983 has 2 divisors, whose sum is σ = 68772984. Its totient is φ = 68772982.

The previous prime is 68772929. The next prime is 68773009. The reversal of 68772983 is 38927786.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68772983 - 28 = 68772727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68772923) 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, 34386491 + 34386492.

It is an arithmetic number, because the mean of its divisors is an integer number (34386492).

Almost surely, 268772983 is an apocalyptic number.

68772983 is a deficient number, since it is larger than the sum of its proper divisors (1).

68772983 is an equidigital number, since it uses as much as digits as its factorization.

68772983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 68772983 is about 8292.9477871261. The cubic root of 68772983 is about 409.7062798163.

The spelling of 68772983 in words is "sixty-eight million, seven hundred seventy-two thousand, nine hundred eighty-three".