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316506513 = 3531990607
BaseRepresentation
bin10010110111011…
…000000110010001
3211001120012022110
4102313120012101
51122011202023
651223455533
710562155341
oct2267300621
9731505273
10316506513
11152729034
1289bb75a9
135075a07b
143006cd21
151cbbea93
hex12dd8191

316506513 has 8 divisors (see below), whose sum is σ = 429971328. Its totient is φ = 207023024.

The previous prime is 316506499. The next prime is 316506521. The reversal of 316506513 is 315605613.

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 316506513 - 25 = 316506481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316506523) 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 7 ways as a sum of consecutive naturals, for example, 995145 + ... + 995462.

It is an arithmetic number, because the mean of its divisors is an integer number (53746416).

Almost surely, 2316506513 is an apocalyptic number.

It is an amenable number.

316506513 is a deficient number, since it is larger than the sum of its proper divisors (113464815).

316506513 is a wasteful number, since it uses less digits than its factorization.

316506513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990663.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 316506513 is about 17790.6299213940. The cubic root of 316506513 is about 681.4921909920.

The spelling of 316506513 in words is "three hundred sixteen million, five hundred six thousand, five hundred thirteen".

Divisors: 1 3 53 159 1990607 5971821 105502171 316506513