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38720677 is a prime number
BaseRepresentation
bin1001001110110…
…1010010100101
32200212012210011
42103231102211
534403030202
63501530221
7650056162
oct223552245
980765704
1038720677
111a947466
1210b73971
138039458
1451dd069
1535ecbd7
hex24ed4a5

38720677 has 2 divisors, whose sum is σ = 38720678. Its totient is φ = 38720676.

The previous prime is 38720657. The next prime is 38720699. The reversal of 38720677 is 77602783.

38720677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33108516 + 5612161 = 5754^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 38720677 - 211 = 38718629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38720657) 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, 19360338 + 19360339.

It is an arithmetic number, because the mean of its divisors is an integer number (19360339).

Almost surely, 238720677 is an apocalyptic number.

It is an amenable number.

38720677 is a deficient number, since it is larger than the sum of its proper divisors (1).

38720677 is an equidigital number, since it uses as much as digits as its factorization.

38720677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 38720677 is about 6222.5940732142. The cubic root of 38720677 is about 338.3095940268.

The spelling of 38720677 in words is "thirty-eight million, seven hundred twenty thousand, six hundred seventy-seven".