Base | Representation |
---|---|
bin | 101010010101000… |
… | …0110011010001010 |
3 | 10122222120212002220 |
4 | 1110222012122022 |
5 | 10402100304232 |
6 | 352534234510 |
7 | 50124353520 |
oct | 12452063212 |
9 | 3588525086 |
10 | 1420322442 |
11 | 66980a300 |
12 | 3377b5a36 |
13 | 1983458a6 |
14 | d68c2310 |
15 | 84a5b42c |
hex | 54a8668a |
1420322442 has 48 divisors (see below), whose sum is σ = 3568426176. Its totient is φ = 368913600.
The previous prime is 1420322419. The next prime is 1420322471. The reversal of 1420322442 is 2442230241.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 134659 + ... + 144822.
It is an arithmetic number, because the mean of its divisors is an integer number (74342212).
Almost surely, 21420322442 is an apocalyptic number.
1420322442 is an abundant number, since it is smaller than the sum of its proper divisors (2148103734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420322442 is a wasteful number, since it uses less digits than its factorization.
1420322442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279515 (or 279504 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 1420322442 is about 37687.1654811024. The cubic root of 1420322442 is about 1124.0759337302.
Adding to 1420322442 its reverse (2442230241), we get a palindrome (3862552683).
The spelling of 1420322442 in words is "one billion, four hundred twenty million, three hundred twenty-two thousand, four hundred forty-two".
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