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381027337 is a prime number
BaseRepresentation
bin10110101101100…
…000010000001001
3222112222012020121
4112231200100021
51240020333322
6101450423241
712304451605
oct2655402011
9875865217
10381027337
11186097529
12a7731b21
1360c2a982
1438866505
15236b6ec7
hex16b60409

381027337 has 2 divisors, whose sum is σ = 381027338. Its totient is φ = 381027336.

The previous prime is 381027331. The next prime is 381027371. The reversal of 381027337 is 733720183.

It is an a-pointer prime, because the next prime (381027371) can be obtained adding 381027337 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257795136 + 123232201 = 16056^2 + 11101^2 .

It is a cyclic number.

It is not a de Polignac number, because 381027337 - 23 = 381027329 is a prime.

It is not a weakly prime, because it can be changed into another prime (381027331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190513668 + 190513669.

It is an arithmetic number, because the mean of its divisors is an integer number (190513669).

Almost surely, 2381027337 is an apocalyptic number.

It is an amenable number.

381027337 is a deficient number, since it is larger than the sum of its proper divisors (1).

381027337 is an equidigital number, since it uses as much as digits as its factorization.

381027337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 381027337 is about 19519.9215418505. The cubic root of 381027337 is about 724.9677905627.

The spelling of 381027337 in words is "three hundred eighty-one million, twenty-seven thousand, three hundred thirty-seven".