Base | Representation |
---|---|
bin | 10111100010000… |
… | …11010111001001 |
3 | 111202110101010212 |
4 | 23301003113021 |
5 | 401014030301 |
6 | 31331050505 |
7 | 4614641054 |
oct | 1361032711 |
9 | 452411125 |
10 | 197408201 |
11 | a1482781 |
12 | 56140a35 |
13 | 31b8a6b3 |
14 | 1c309a9b |
15 | 124e64bb |
hex | bc435c9 |
197408201 has 2 divisors, whose sum is σ = 197408202. Its totient is φ = 197408200.
The previous prime is 197408179. The next prime is 197408207. The reversal of 197408201 is 102804791.
197408201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 124902976 + 72505225 = 11176^2 + 8515^2 .
It is a cyclic number.
It is not a de Polignac number, because 197408201 - 26 = 197408137 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (197408207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98704100 + 98704101.
It is an arithmetic number, because the mean of its divisors is an integer number (98704101).
Almost surely, 2197408201 is an apocalyptic number.
It is an amenable number.
197408201 is a deficient number, since it is larger than the sum of its proper divisors (1).
197408201 is an equidigital number, since it uses as much as digits as its factorization.
197408201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 197408201 is about 14050.2028810975. The cubic root of 197408201 is about 582.2664008342.
The spelling of 197408201 in words is "one hundred ninety-seven million, four hundred eight thousand, two hundred one".
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