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315247301 is a prime number
BaseRepresentation
bin10010110010100…
…100101011000101
3210222012012222222
4102302210223011
51121200403201
651140502125
710545362225
oct2262445305
9728165888
10315247301
11151a48a66
12896aa945
1350408b85
142dc22085
151ca2191b
hex12ca4ac5

315247301 has 2 divisors, whose sum is σ = 315247302. Its totient is φ = 315247300.

The previous prime is 315247253. The next prime is 315247321. The reversal of 315247301 is 103742513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309724801 + 5522500 = 17599^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 315247301 - 214 = 315230917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315247321) 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 as a sum of consecutive naturals, namely, 157623650 + 157623651.

It is an arithmetic number, because the mean of its divisors is an integer number (157623651).

Almost surely, 2315247301 is an apocalyptic number.

It is an amenable number.

315247301 is a deficient number, since it is larger than the sum of its proper divisors (1).

315247301 is an equidigital number, since it uses as much as digits as its factorization.

315247301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 315247301 is about 17755.2048988459. The cubic root of 315247301 is about 680.5872241492.

Adding to 315247301 its reverse (103742513), we get a palindrome (418989814).

The spelling of 315247301 in words is "three hundred fifteen million, two hundred forty-seven thousand, three hundred one".