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395300317 = 97242013
BaseRepresentation
bin10111100011111…
…100110111011101
31000112211100002111
4113203330313131
51302144102232
6103120354021
712536666026
oct2743746735
91015740074
10395300317
11193155a85
12b0475911
1363b87419
143a6ddc4d
1524a86047
hex178fcddd

395300317 has 6 divisors (see below), whose sum is σ = 399427098. Its totient is φ = 391215744.

The previous prime is 395300291. The next prime is 395300357. The reversal of 395300317 is 713003593.

It can be written as a sum of positive squares in 3 ways, for example, as 81974916 + 313325401 = 9054^2 + 17701^2 .

It is not a de Polignac number, because 395300317 - 215 = 395267549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395300357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11598 + ... + 30415.

It is an arithmetic number, because the mean of its divisors is an integer number (66571183).

Almost surely, 2395300317 is an apocalyptic number.

It is an amenable number.

395300317 is a deficient number, since it is larger than the sum of its proper divisors (4126781).

395300317 is an frugal number, since it uses more digits than its factorization.

395300317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42207 (or 42110 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 395300317 is about 19882.1607729140. The cubic root of 395300317 is about 733.9092940550.

The spelling of 395300317 in words is "three hundred ninety-five million, three hundred thousand, three hundred seventeen".

Divisors: 1 97 9409 42013 4075261 395300317