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38739361 is a prime number
BaseRepresentation
bin1001001111000…
…1110110100001
32200220011102011
42103301312201
534404124421
63502152521
7650164513
oct223616641
980804364
1038739361
111a95a501
1210b82741
138044acb
145205bb3
1536034e1
hex24f1da1

38739361 has 2 divisors, whose sum is σ = 38739362. Its totient is φ = 38739360.

The previous prime is 38739317. The next prime is 38739373. The reversal of 38739361 is 16393783.

38739361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 15555136 = 4815^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 38739361 - 215 = 38706593 is a prime.

It is not a weakly prime, because it can be changed into another prime (38739391) 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, 19369680 + 19369681.

It is an arithmetic number, because the mean of its divisors is an integer number (19369681).

Almost surely, 238739361 is an apocalyptic number.

38739361 is the 2784-th centered decagonal number.

It is an amenable number.

38739361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38739361 is an equidigital number, since it uses as much as digits as its factorization.

38739361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 38739361 is about 6224.0951952874. The cubic root of 38739361 is about 338.3640004450.

The spelling of 38739361 in words is "thirty-eight million, seven hundred thirty-nine thousand, three hundred sixty-one".