Base | Representation |
---|---|
bin | 111001111110010… |
… | …0010101000000000 |
3 | 12000120022221202120 |
4 | 1303330202220000 |
5 | 12440441002204 |
6 | 521005244240 |
7 | 66130232454 |
oct | 16374425000 |
9 | 5016287676 |
10 | 1945250304 |
11 | 909052388 |
12 | 463563680 |
13 | 2500180aa |
14 | 1464c6664 |
15 | b5b9a6d9 |
hex | 73f22a00 |
1945250304 has 80 divisors (see below), whose sum is σ = 5233995360. Its totient is φ = 641945600.
The previous prime is 1945250249. The next prime is 1945250317. The reversal of 1945250304 is 4030525491.
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 7 ways as a sum of consecutive naturals, for example, 148867 + ... + 161405.
It is an arithmetic number, because the mean of its divisors is an integer number (65424942).
Almost surely, 21945250304 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 1945250304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616997680).
1945250304 is an abundant number, since it is smaller than the sum of its proper divisors (3288745056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1945250304 is a wasteful number, since it uses less digits than its factorization.
1945250304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12661 (or 12645 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 1945250304 is about 44104.9918263228. The cubic root of 1945250304 is about 1248.3178020369.
Adding to 1945250304 its reverse (4030525491), we get a palindrome (5975775795).
The spelling of 1945250304 in words is "one billion, nine hundred forty-five million, two hundred fifty thousand, three hundred four".
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