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318001 is a prime number
BaseRepresentation
bin1001101101000110001
3121011012211
41031220301
540134001
610452121
72463055
oct1155061
9534184
10318001
111a7a12
12134041
13b1988
1483c65
1564351
hex4da31

318001 has 2 divisors, whose sum is σ = 318002. Its totient is φ = 318000.

The previous prime is 317987. The next prime is 318007. The reversal of 318001 is 100813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 14400 = 551^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 318001 - 25 = 317969 is a prime.

It is a super-2 number, since 2×3180012 = 202249272002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (318007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159000 + 159001.

It is an arithmetic number, because the mean of its divisors is an integer number (159001).

2318001 is an apocalyptic number.

It is an amenable number.

318001 is a deficient number, since it is larger than the sum of its proper divisors (1).

318001 is an equidigital number, since it uses as much as digits as its factorization.

318001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 318001 is about 563.9157738528. The cubic root of 318001 is about 68.2563135129.

Adding to 318001 its reverse (100813), we get a palindrome (418814).

The spelling of 318001 in words is "three hundred eighteen thousand, one".