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392050121 is a prime number
BaseRepresentation
bin10111010111100…
…011010111001001
31000022201012122212
4113113203113021
51300331100441
6102522554505
712500241161
oct2727432711
91008635585
10392050121
11191336071
12ab368a35
13632b9c28
143a0d55a1
1524642eeb
hex175e35c9

392050121 has 2 divisors, whose sum is σ = 392050122. Its totient is φ = 392050120.

The previous prime is 392050051. The next prime is 392050129. The reversal of 392050121 is 121050293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365383225 + 26666896 = 19115^2 + 5164^2 .

It is a cyclic number.

It is not a de Polignac number, because 392050121 - 214 = 392033737 is a prime.

It is a super-2 number, since 2×3920501212 = 307406594752229282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (392050129) 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, 196025060 + 196025061.

It is an arithmetic number, because the mean of its divisors is an integer number (196025061).

Almost surely, 2392050121 is an apocalyptic number.

It is an amenable number.

392050121 is a deficient number, since it is larger than the sum of its proper divisors (1).

392050121 is an equidigital number, since it uses as much as digits as its factorization.

392050121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 392050121 is about 19800.2555791586. The cubic root of 392050121 is about 731.8923325225.

The spelling of 392050121 in words is "three hundred ninety-two million, fifty thousand, one hundred twenty-one".