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201382393 is a prime number
BaseRepresentation
bin11000000000011…
…01100111111001
3112000221021201011
430000031213321
5403023214033
631552153521
74663502452
oct1400154771
9460837634
10201382393
11a3747633
12575388a1
133294c5a4
141ca62129
1512a2dccd
hexc00d9f9

201382393 has 2 divisors, whose sum is σ = 201382394. Its totient is φ = 201382392.

The previous prime is 201382367. The next prime is 201382397. The reversal of 201382393 is 393283102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100741369 + 100641024 = 10037^2 + 10032^2 .

It is a cyclic number.

It is not a de Polignac number, because 201382393 - 25 = 201382361 is a prime.

It is not a weakly prime, because it can be changed into another prime (201382397) 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, 100691196 + 100691197.

It is an arithmetic number, because the mean of its divisors is an integer number (100691197).

Almost surely, 2201382393 is an apocalyptic number.

It is an amenable number.

201382393 is a deficient number, since it is larger than the sum of its proper divisors (1).

201382393 is an equidigital number, since it uses as much as digits as its factorization.

201382393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 201382393 is about 14190.9264320551. The cubic root of 201382393 is about 586.1478357106.

The spelling of 201382393 in words is "two hundred one million, three hundred eighty-two thousand, three hundred ninety-three".