Base | Representation |
---|---|
bin | 111100111100001… |
… | …111001111000001 |
3 | 2122020212112001121 |
4 | 330330033033001 |
5 | 4043220032001 |
6 | 245242032241 |
7 | 34223313664 |
oct | 7474171701 |
9 | 2566775047 |
10 | 1022424001 |
11 | 48514a315 |
12 | 2464a8681 |
13 | 133a8ba21 |
14 | 99b076db |
15 | 5eb606a1 |
hex | 3cf0f3c1 |
1022424001 has 2 divisors, whose sum is σ = 1022424002. Its totient is φ = 1022424000.
The previous prime is 1022423999. The next prime is 1022424017. The reversal of 1022424001 is 1004242201.
It is an a-pointer prime, because the next prime (1022424017) can be obtained adding 1022424001 to its sum of digits (16).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 971942976 + 50481025 = 31176^2 + 7105^2 .
It is a cyclic number.
It is not a de Polignac number, because 1022424001 - 21 = 1022423999 is a prime.
Together with 1022423999, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1022424031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511212000 + 511212001.
It is an arithmetic number, because the mean of its divisors is an integer number (511212001).
Almost surely, 21022424001 is an apocalyptic number.
It is an amenable number.
1022424001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1022424001 is an equidigital number, since it uses as much as digits as its factorization.
1022424001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 1022424001 is about 31975.3655334853. The cubic root of 1022424001 is about 1007.4194821404.
Adding to 1022424001 its reverse (1004242201), we get a palindrome (2026666202).
It can be divided in two parts, 10224 and 24001, that added together give a square (34225 = 1852).
The spelling of 1022424001 in words is "one billion, twenty-two million, four hundred twenty-four thousand, one".
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