Base | Representation |
---|---|
bin | 100100010111110… |
… | …0010100110010001 |
3 | 10011001102212022001 |
4 | 1020233202212101 |
5 | 4444412001113 |
6 | 321033514001 |
7 | 42146262505 |
oct | 11057424621 |
9 | 3131385261 |
10 | 1220422033 |
11 | 576995156 |
12 | 2a0872901 |
13 | 165ac4a1c |
14 | b8128305 |
15 | 722217dd |
hex | 48be2991 |
1220422033 has 2 divisors, whose sum is σ = 1220422034. Its totient is φ = 1220422032.
The previous prime is 1220422019. The next prime is 1220422081. The reversal of 1220422033 is 3302240221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1191078144 + 29343889 = 34512^2 + 5417^2 .
It is a cyclic number.
It is not a de Polignac number, because 1220422033 - 213 = 1220413841 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1220422033.
It is not a weakly prime, because it can be changed into another prime (1220522033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610211016 + 610211017.
It is an arithmetic number, because the mean of its divisors is an integer number (610211017).
Almost surely, 21220422033 is an apocalyptic number.
It is an amenable number.
1220422033 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220422033 is an equidigital number, since it uses as much as digits as its factorization.
1220422033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 1220422033 is about 34934.5392555849. The cubic root of 1220422033 is about 1068.6529276402.
Adding to 1220422033 its reverse (3302240221), we get a palindrome (4522662254).
The spelling of 1220422033 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, thirty-three".
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