Base | Representation |
---|---|
bin | 101010010100111… |
… | …0101010000110000 |
3 | 10122222110021202122 |
4 | 1110221311100300 |
5 | 10402041032313 |
6 | 352532533412 |
7 | 50123641664 |
oct | 12451652060 |
9 | 3588407678 |
10 | 1420252208 |
11 | 669771561 |
12 | 337781268 |
13 | 19831c92b |
14 | d68a48a4 |
15 | 84a45708 |
hex | 54a75430 |
1420252208 has 20 divisors (see below), whose sum is σ = 2871380208. Its totient is φ = 679250880.
The previous prime is 1420252181. The next prime is 1420252213. The reversal of 1420252208 is 8022520241.
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 3 ways as a sum of consecutive naturals, for example, 1929323 + ... + 1930058.
Almost surely, 21420252208 is an apocalyptic number.
It is an amenable number.
1420252208 is an abundant number, since it is smaller than the sum of its proper divisors (1451128000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420252208 is a wasteful number, since it uses less digits than its factorization.
1420252208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3859412 (or 3859406 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 1420252208 is about 37686.2336669506. The cubic root of 1420252208 is about 1124.0574051557.
Adding to 1420252208 its reverse (8022520241), we get a palindrome (9442772449).
The spelling of 1420252208 in words is "one billion, four hundred twenty million, two hundred fifty-two thousand, two hundred eight".
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