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315260401 is a prime number
BaseRepresentation
bin10010110010100…
…111110111110001
3210222012212222011
4102302213313301
51121201313101
651141042521
710545445351
oct2262476761
9728185864
10315260401
11151a57895
12896b6441
1350411b21
142dc26b61
151ca25751
hex12ca7df1

315260401 has 2 divisors, whose sum is σ = 315260402. Its totient is φ = 315260400.

The previous prime is 315260381. The next prime is 315260431. The reversal of 315260401 is 104062513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167029776 + 148230625 = 12924^2 + 12175^2 .

It is a cyclic number.

It is not a de Polignac number, because 315260401 - 217 = 315129329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315260431) 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 as a sum of consecutive naturals, namely, 157630200 + 157630201.

It is an arithmetic number, because the mean of its divisors is an integer number (157630201).

Almost surely, 2315260401 is an apocalyptic number.

It is an amenable number.

315260401 is a deficient number, since it is larger than the sum of its proper divisors (1).

315260401 is an equidigital number, since it uses as much as digits as its factorization.

315260401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 315260401 is about 17755.5738009223. The cubic root of 315260401 is about 680.5966512129.

The spelling of 315260401 in words is "three hundred fifteen million, two hundred sixty thousand, four hundred one".