Base | Representation |
---|---|
bin | 10111011000000… |
… | …111111110111001 |
3 | 1000022222211102102 |
4 | 113120013332321 |
5 | 1300400400441 |
6 | 102530113145 |
7 | 12501434405 |
oct | 2730077671 |
9 | 1008884372 |
10 | 392200121 |
11 | 191428835 |
12 | ab41b7b5 |
13 | 633402a1 |
14 | 3a134105 |
15 | 2467269b |
hex | 17607fb9 |
392200121 has 2 divisors, whose sum is σ = 392200122. Its totient is φ = 392200120.
The previous prime is 392200103. The next prime is 392200139. The reversal of 392200121 is 121002293.
It is a balanced prime because it is at equal distance from previous prime (392200103) and next prime (392200139).
It can be written as a sum of positive squares in only one way, i.e., 336906025 + 55294096 = 18355^2 + 7436^2 .
It is an emirp because it is prime and its reverse (121002293) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 392200121 - 218 = 391937977 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 392200093 and 392200102.
It is not a weakly prime, because it can be changed into another prime (392230121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196100060 + 196100061.
It is an arithmetic number, because the mean of its divisors is an integer number (196100061).
Almost surely, 2392200121 is an apocalyptic number.
It is an amenable number.
392200121 is a deficient number, since it is larger than the sum of its proper divisors (1).
392200121 is an equidigital number, since it uses as much as digits as its factorization.
392200121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 392200121 is about 19804.0430468124. The cubic root of 392200121 is about 731.9856622999.
The spelling of 392200121 in words is "three hundred ninety-two million, two hundred thousand, one hundred twenty-one".
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