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316260689 = 2910905541
BaseRepresentation
bin10010110110011…
…100000101010001
3211001002201002212
4102312130011101
51121430320224
651214321505
710560112553
oct2266340521
9731081085
10316260689
11152580378
1289ab9295
13506a2204
14300074d3
151cb71d0e
hex12d9c151

316260689 has 4 divisors (see below), whose sum is σ = 327166260. Its totient is φ = 305355120.

The previous prime is 316260677. The next prime is 316260727. The reversal of 316260689 is 986062613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986062613 = 3472841679.

It can be written as a sum of positive squares in 2 ways, for example, as 162996289 + 153264400 = 12767^2 + 12380^2 .

It is a cyclic number.

It is not a de Polignac number, because 316260689 - 216 = 316195153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316260389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452742 + ... + 5452799.

It is an arithmetic number, because the mean of its divisors is an integer number (81791565).

Almost surely, 2316260689 is an apocalyptic number.

It is an amenable number.

316260689 is a deficient number, since it is larger than the sum of its proper divisors (10905571).

316260689 is a wasteful number, since it uses less digits than its factorization.

316260689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905570.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 316260689 is about 17783.7197739955. The cubic root of 316260689 is about 681.3157117098.

The spelling of 316260689 in words is "three hundred sixteen million, two hundred sixty thousand, six hundred eighty-nine".

Divisors: 1 29 10905541 316260689