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316565085 = 3521104339
BaseRepresentation
bin10010110111100…
…110011001011101
3211001200011122210
4102313212121131
51122020040320
651225031033
710562521164
oct2267463135
9731604583
10316565085
11152769041
128a025479
135077a925
14300863db
151cbd20e0
hex12de665d

316565085 has 8 divisors (see below), whose sum is σ = 506504160. Its totient is φ = 168834704.

The previous prime is 316565083. The next prime is 316565089. The reversal of 316565085 is 580565613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316565085 - 21 = 316565083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316565083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10552155 + ... + 10552184.

It is an arithmetic number, because the mean of its divisors is an integer number (63313020).

Almost surely, 2316565085 is an apocalyptic number.

It is an amenable number.

316565085 is a deficient number, since it is larger than the sum of its proper divisors (189939075).

316565085 is a wasteful number, since it uses less digits than its factorization.

316565085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21104347.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 316565085 is about 17792.2759926885. The cubic root of 316565085 is about 681.5342268817.

The spelling of 316565085 in words is "three hundred sixteen million, five hundred sixty-five thousand, eighty-five".

Divisors: 1 3 5 15 21104339 63313017 105521695 316565085