Base | Representation |
---|---|
bin | 11111001100011110101 |
3 | 1220221012011 |
4 | 3321203311 |
5 | 230202242 |
6 | 33524221 |
7 | 11455111 |
oct | 3714365 |
9 | 1827164 |
10 | 1022197 |
11 | 638aa0 |
12 | 413671 |
13 | 29a367 |
14 | 1c8741 |
15 | 152d17 |
hex | f98f5 |
1022197 has 4 divisors (see below), whose sum is σ = 1115136. Its totient is φ = 929260.
The previous prime is 1022191. The next prime is 1022201. The reversal of 1022197 is 7912201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1022197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46453 + ... + 46474.
It is an arithmetic number, because the mean of its divisors is an integer number (278784).
21022197 is an apocalyptic number.
It is an amenable number.
1022197 is a deficient number, since it is larger than the sum of its proper divisors (92939).
1022197 is an equidigital number, since it uses as much as digits as its factorization.
1022197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92938.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 1022197 is about 1011.0375858493. The cubic root of 1022197 is about 100.7344920068.
Adding to 1022197 its reverse (7912201), we get a palindrome (8934398).
The spelling of 1022197 in words is "one million, twenty-two thousand, one hundred ninety-seven".
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