Base | Representation |
---|---|
bin | 1011111110100010… |
… | …10110000000111010 |
3 | 121121010121001001010 |
4 | 11333101112000322 |
5 | 101132114022341 |
6 | 2542021534350 |
7 | 315226654044 |
oct | 57721260072 |
9 | 17533531033 |
10 | 6430220346 |
11 | 27aa7677a0 |
12 | 12b55743b6 |
13 | 7b625b714 |
14 | 44dddca94 |
15 | 2797ba716 |
hex | 17f45603a |
6430220346 has 32 divisors (see below), whose sum is σ = 14238978048. Its totient is φ = 1919467440.
The previous prime is 6430220339. The next prime is 6430220347.
It is a happy number.
6430220346 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×64302203462 = 82695467396224719432, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6430220347) 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 in 15 ways as a sum of consecutive naturals, for example, 722650 + ... + 731493.
It is an arithmetic number, because the mean of its divisors is an integer number (444968064).
Almost surely, 26430220346 is an apocalyptic number.
6430220346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
6430220346 is an abundant number, since it is smaller than the sum of its proper divisors (7808757702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6430220346 is a wasteful number, since it uses less digits than its factorization.
6430220346 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1454226.
The product of its (nonzero) digits is 20736, while the sum is 30.
The square root of 6430220346 is about 80188.6547212260. The cubic root of 6430220346 is about 1859.5532462696.
It can be divided in two parts, 64302 and 20346, that added together give a palindrome (84648).
The spelling of 6430220346 in words is "six billion, four hundred thirty million, two hundred twenty thousand, three hundred forty-six".
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