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385479713 is a prime number
BaseRepresentation
bin10110111110011…
…111010000100001
3222212100101202102
4112332133100201
51242140322323
6102130100145
712360344363
oct2676372041
9885311672
10385479713
11188658683
12a911a655
1361b29408
14392a4d33
1523c96328
hex16f9f421

385479713 has 2 divisors, whose sum is σ = 385479714. Its totient is φ = 385479712.

The previous prime is 385479659. The next prime is 385479719. The reversal of 385479713 is 317974583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285339664 + 100140049 = 16892^2 + 10007^2 .

It is an emirp because it is prime and its reverse (317974583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385479713 - 212 = 385475617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385479719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192739856 + 192739857.

It is an arithmetic number, because the mean of its divisors is an integer number (192739857).

Almost surely, 2385479713 is an apocalyptic number.

It is an amenable number.

385479713 is a deficient number, since it is larger than the sum of its proper divisors (1).

385479713 is an equidigital number, since it uses as much as digits as its factorization.

385479713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 385479713 is about 19633.6372840083. The cubic root of 385479713 is about 727.7806574889.

The spelling of 385479713 in words is "three hundred eighty-five million, four hundred seventy-nine thousand, seven hundred thirteen".