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395116271 = 11298314923
BaseRepresentation
bin10111100011001…
…111111011101111
31000112110222121222
4113203033323233
51302122210041
6103112413555
712535301324
oct2743177357
91015428558
10395116271
1119303a780
12b03a72bb
1363b21714
143a692b4b
1524a4b74b
hex178cfeef

395116271 has 16 divisors (see below), whose sum is σ = 451301760. Its totient is φ = 342609120.

The previous prime is 395116199. The next prime is 395116273. The reversal of 395116271 is 172611593.

It is a cyclic number.

It is not a de Polignac number, because 395116271 - 218 = 394854127 is a prime.

It is a super-2 number, since 2×3951162712 = 312233735217890882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395116273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19016 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (28206360).

Almost surely, 2395116271 is an apocalyptic number.

395116271 is a deficient number, since it is larger than the sum of its proper divisors (56185489).

395116271 is a wasteful number, since it uses less digits than its factorization.

395116271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046.

The product of its digits is 11340, while the sum is 35.

The square root of 395116271 is about 19877.5318135829. The cubic root of 395116271 is about 733.7953772579.

The spelling of 395116271 in words is "three hundred ninety-five million, one hundred sixteen thousand, two hundred seventy-one".

Divisors: 1 11 29 83 319 913 2407 14923 26477 164153 432767 1238609 4760437 13624699 35919661 395116271