Base | Representation |
---|---|
bin | 111100001000000011001 |
3 | 10201002121102 |
4 | 13201000121 |
5 | 1001021301 |
6 | 110121145 |
7 | 22514012 |
oct | 7410031 |
9 | 3632542 |
10 | 1970201 |
11 | 1126272 |
12 | 7b01b5 |
13 | 53c9cc |
14 | 394009 |
15 | 28db6b |
hex | 1e1019 |
1970201 has 2 divisors, whose sum is σ = 1970202. Its totient is φ = 1970200.
The previous prime is 1970183. The next prime is 1970209. The reversal of 1970201 is 1020791.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1960000 + 10201 = 1400^2 + 101^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1970201 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1970209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985100 + 985101.
It is an arithmetic number, because the mean of its divisors is an integer number (985101).
21970201 is an apocalyptic number.
It is an amenable number.
1970201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1970201 is an equidigital number, since it uses as much as digits as its factorization.
1970201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 126, while the sum is 20.
The square root of 1970201 is about 1403.6384862207. The cubic root of 1970201 is about 125.3632314808.
Adding to 1970201 its reverse (1020791), we get a palindrome (2990992).
The spelling of 1970201 in words is "one million, nine hundred seventy thousand, two hundred one".
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