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38375257 is a prime number
BaseRepresentation
bin1001001001100…
…0111101011001
32200012122221211
42102120331121
534311002012
63450303121
7644120134
oct222307531
980178854
1038375257
111a730998
1210a27aa1
137c4816b
14514d21b
1535806a7
hex2498f59

38375257 has 2 divisors, whose sum is σ = 38375258. Its totient is φ = 38375256.

The previous prime is 38375251. The next prime is 38375261. The reversal of 38375257 is 75257383.

38375257 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., 20575296 + 17799961 = 4536^2 + 4219^2 .

It is an emirp because it is prime and its reverse (75257383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38375257 - 215 = 38342489 is a prime.

It is not a weakly prime, because it can be changed into another prime (38375251) 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, 19187628 + 19187629.

It is an arithmetic number, because the mean of its divisors is an integer number (19187629).

Almost surely, 238375257 is an apocalyptic number.

It is an amenable number.

38375257 is a deficient number, since it is larger than the sum of its proper divisors (1).

38375257 is an equidigital number, since it uses as much as digits as its factorization.

38375257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 38375257 is about 6194.7765899990. The cubic root of 38375257 is about 337.3005885569.

The spelling of 38375257 in words is "thirty-eight million, three hundred seventy-five thousand, two hundred fifty-seven".