Base | Representation |
---|---|
bin | 101011000110000… |
… | …0000000000000100 |
3 | 10201202212201022110 |
4 | 1112030000000010 |
5 | 10430133030213 |
6 | 355252301020 |
7 | 50555452344 |
oct | 12614000004 |
9 | 3652781273 |
10 | 1445986308 |
11 | 682248a08 |
12 | 344311770 |
13 | 1a0760000 |
14 | da082d24 |
15 | 86e2a5c3 |
hex | 56300004 |
1445986308 has 60 divisors (see below), whose sum is σ = 3655988560. Its totient is φ = 444813408.
The previous prime is 1445986291. The next prime is 1445986309. The reversal of 1445986308 is 8036895441.
It is not an unprimeable number, because it can be changed into a prime (1445986309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 340623 + ... + 344841.
Almost surely, 21445986308 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1445986308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827994280).
1445986308 is an abundant number, since it is smaller than the sum of its proper divisors (2210002252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1445986308 is an equidigital number, since it uses as much as digits as its factorization.
1445986308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4278 (or 4237 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 48.
The square root of 1445986308 is about 38026.1266499758. The cubic root of 1445986308 is about 1130.8058855655.
The spelling of 1445986308 in words is "one billion, four hundred forty-five million, nine hundred eighty-six thousand, three hundred eight".
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