Base | Representation |
---|---|
bin | 100100101010100… |
… | …1111010010111101 |
3 | 10011202000221102022 |
4 | 1021111033102331 |
5 | 10004424220240 |
6 | 322025405525 |
7 | 42326262266 |
oct | 11125172275 |
9 | 3152027368 |
10 | 1230304445 |
11 | 581524a37 |
12 | 2a40398a5 |
13 | 167b74bc6 |
14 | b957b96d |
15 | 730249b5 |
hex | 4954f4bd |
1230304445 has 8 divisors (see below), whose sum is σ = 1476556344. Its totient is φ = 984116224.
The previous prime is 1230304421. The next prime is 1230304463. The reversal of 1230304445 is 5444030321.
It can be written as a sum of positive squares in 4 ways, for example, as 376437604 + 853866841 = 19402^2 + 29221^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1230304445 - 28 = 1230304189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 56777 + ... + 75393.
It is an arithmetic number, because the mean of its divisors is an integer number (184569543).
Almost surely, 21230304445 is an apocalyptic number.
It is an amenable number.
1230304445 is a deficient number, since it is larger than the sum of its proper divisors (246251899).
1230304445 is a wasteful number, since it uses less digits than its factorization.
1230304445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31839.
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 1230304445 is about 35075.6959303732. The cubic root of 1230304445 is about 1071.5296621103.
Adding to 1230304445 its reverse (5444030321), we get a palindrome (6674334766).
The spelling of 1230304445 in words is "one billion, two hundred thirty million, three hundred four thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •