Base | Representation |
---|---|
bin | 10111111000110… |
… | …00101011110001 |
3 | 111222001022110221 |
4 | 23330120223301 |
5 | 402244112441 |
6 | 31514453041 |
7 | 4652123455 |
oct | 1374305361 |
9 | 458038427 |
10 | 200379121 |
11 | a3121888 |
12 | 57134181 |
13 | 3268aa37 |
14 | 1c880665 |
15 | 128d18d1 |
hex | bf18af1 |
200379121 has 2 divisors, whose sum is σ = 200379122. Its totient is φ = 200379120.
The previous prime is 200379031. The next prime is 200379173. The reversal of 200379121 is 121973002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 106502400 + 93876721 = 10320^2 + 9689^2 .
It is a cyclic number.
It is not a de Polignac number, because 200379121 - 27 = 200378993 is a prime.
It is not a weakly prime, because it can be changed into another prime (200379721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100189560 + 100189561.
It is an arithmetic number, because the mean of its divisors is an integer number (100189561).
Almost surely, 2200379121 is an apocalyptic number.
It is an amenable number.
200379121 is a deficient number, since it is larger than the sum of its proper divisors (1).
200379121 is an equidigital number, since it uses as much as digits as its factorization.
200379121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 200379121 is about 14155.5332290946. The cubic root of 200379121 is about 585.1728332439.
The spelling of 200379121 in words is "two hundred million, three hundred seventy-nine thousand, one hundred twenty-one".
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