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38140057 is a prime number
BaseRepresentation
bin1001000101111…
…1100010011001
32122202201022201
42101133202121
534230440212
63441250201
7642120334
oct221374231
978681281
1038140057
111a59020a
1210933961
137b950a7
1450cb61b
153535b57
hex245f899

38140057 has 2 divisors, whose sum is σ = 38140058. Its totient is φ = 38140056.

The previous prime is 38140051. The next prime is 38140079. The reversal of 38140057 is 75004183.

38140057 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., 37994896 + 145161 = 6164^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 38140057 - 27 = 38139929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38140051) 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, 19070028 + 19070029.

It is an arithmetic number, because the mean of its divisors is an integer number (19070029).

Almost surely, 238140057 is an apocalyptic number.

It is an amenable number.

38140057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38140057 is an equidigital number, since it uses as much as digits as its factorization.

38140057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 38140057 is about 6175.7636774734. The cubic root of 38140057 is about 336.6100765365.

The spelling of 38140057 in words is "thirty-eight million, one hundred forty thousand, fifty-seven".