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388895041 is a prime number
BaseRepresentation
bin10111001011100…
…001000101000001
31000002202220201001
4113023201011001
51244024120131
6102331212001
712431360533
oct2713410501
91002686631
10388895041
1118a580667
12aa2a7001
1362753b12
1439913853
152421d261
hex172e1141

388895041 has 2 divisors, whose sum is σ = 388895042. Its totient is φ = 388895040.

The previous prime is 388894939. The next prime is 388895047. The reversal of 388895041 is 140598883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388878400 + 16641 = 19720^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 388895041 - 215 = 388862273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388894982 and 388895000.

It is not a weakly prime, because it can be changed into another prime (388895047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194447520 + 194447521.

It is an arithmetic number, because the mean of its divisors is an integer number (194447521).

Almost surely, 2388895041 is an apocalyptic number.

It is an amenable number.

388895041 is a deficient number, since it is larger than the sum of its proper divisors (1).

388895041 is an equidigital number, since it uses as much as digits as its factorization.

388895041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 388895041 is about 19720.4219275349. The cubic root of 388895041 is about 729.9237056689.

The spelling of 388895041 in words is "three hundred eighty-eight million, eight hundred ninety-five thousand, forty-one".