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316001005 = 563200201
BaseRepresentation
bin10010110101011…
…100101011101101
3211000121111212221
4102311130223231
51121344013010
651204555341
710554651505
oct2265345355
9730544787
10316001005
11152413261
12899b2b51
1350610c58
142dd7aa05
151cb1edda
hex12d5caed

316001005 has 4 divisors (see below), whose sum is σ = 379201212. Its totient is φ = 252800800.

The previous prime is 316000973. The next prime is 316001009. The reversal of 316001005 is 500100613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222666084 + 93334921 = 14922^2 + 9661^2 .

It is not a de Polignac number, because 316001005 - 25 = 316000973 is a prime.

It is a super-2 number, since 2×3160010052 = 199713270322020050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316001009) 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 3 ways as a sum of consecutive naturals, for example, 31600096 + ... + 31600105.

It is an arithmetic number, because the mean of its divisors is an integer number (94800303).

Almost surely, 2316001005 is an apocalyptic number.

It is an amenable number.

316001005 is a deficient number, since it is larger than the sum of its proper divisors (63200207).

316001005 is an equidigital number, since it uses as much as digits as its factorization.

316001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63200206.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 316001005 is about 17776.4171024422. The cubic root of 316001005 is about 681.1291828505.

Adding to 316001005 its reverse (500100613), we get a palindrome (816101618).

The spelling of 316001005 in words is "three hundred sixteen million, one thousand, five".

Divisors: 1 5 63200201 316001005