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316041305 = 5176160953
BaseRepresentation
bin10010110101100…
…110100001011001
3211000200120011112
4102311212201121
51121401310210
651205510105
710555210136
oct2265464131
9730616145
10316041305
11152440568
1289a12335
13506263b8
142dd8b58d
151cb2bd05
hex12d66859

316041305 has 16 divisors (see below), whose sum is σ = 408147984. Its totient is φ = 234055680.

The previous prime is 316041293. The next prime is 316041329. The reversal of 316041305 is 503140613.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 48260809 + 267780496 = 6947^2 + 16364^2 .

It is not a de Polignac number, because 316041305 - 28 = 316041049 is a prime.

It is a super-2 number, since 2×3160413052 = 199764212932206050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25292 + ... + 35661.

It is an arithmetic number, because the mean of its divisors is an integer number (25509249).

Almost surely, 2316041305 is an apocalyptic number.

It is an amenable number.

316041305 is a deficient number, since it is larger than the sum of its proper divisors (92106679).

316041305 is a wasteful number, since it uses less digits than its factorization.

316041305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61036.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 316041305 is about 17777.5505905622. The cubic root of 316041305 is about 681.1581367028.

Adding to 316041305 its reverse (503140613), we get a palindrome (819181918).

The spelling of 316041305 in words is "three hundred sixteen million, forty-one thousand, three hundred five".

Divisors: 1 5 17 61 85 305 1037 5185 60953 304765 1036201 3718133 5181005 18590665 63208261 316041305