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315055141 is a prime number
BaseRepresentation
bin10010110001110…
…101110000100101
3210221211110101221
4102301311300211
51121123231031
651132420341
710543632052
oct2261656045
9727743357
10315055141
11151927655
12896176b1
135036c57b
142dbb2029
151c9d4a11
hex12c75c25

315055141 has 2 divisors, whose sum is σ = 315055142. Its totient is φ = 315055140.

The previous prime is 315055063. The next prime is 315055157. The reversal of 315055141 is 141550513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289340100 + 25715041 = 17010^2 + 5071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315055141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315059141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157527570 + 157527571.

It is an arithmetic number, because the mean of its divisors is an integer number (157527571).

Almost surely, 2315055141 is an apocalyptic number.

It is an amenable number.

315055141 is a deficient number, since it is larger than the sum of its proper divisors (1).

315055141 is an equidigital number, since it uses as much as digits as its factorization.

315055141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 315055141 is about 17749.7927030149. The cubic root of 315055141 is about 680.4489113364.

The spelling of 315055141 in words is "three hundred fifteen million, fifty-five thousand, one hundred forty-one".