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388075141 is a prime number
BaseRepresentation
bin10111001000011…
…000111010000101
31000001020021000101
4113020120322011
51243321401031
6102301444101
712421404256
oct2710307205
91001207011
10388075141
1118a070663
12a9b70631
136252787c
143977cb2d
152410a361
hex17218e85

388075141 has 2 divisors, whose sum is σ = 388075142. Its totient is φ = 388075140.

The previous prime is 388075123. The next prime is 388075153. The reversal of 388075141 is 141570883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268632100 + 119443041 = 16390^2 + 10929^2 .

It is a cyclic number.

It is not a de Polignac number, because 388075141 - 213 = 388066949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388075141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388075111) 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, 194037570 + 194037571.

It is an arithmetic number, because the mean of its divisors is an integer number (194037571).

Almost surely, 2388075141 is an apocalyptic number.

It is an amenable number.

388075141 is a deficient number, since it is larger than the sum of its proper divisors (1).

388075141 is an equidigital number, since it uses as much as digits as its factorization.

388075141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 388075141 is about 19699.6228644104. The cubic root of 388075141 is about 729.4103833467.

The spelling of 388075141 in words is "three hundred eighty-eight million, seventy-five thousand, one hundred forty-one".