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1044305305 = 5208861061
BaseRepresentation
bin111110001111101…
…101010110011001
32200210001012120021
4332033231112121
54114320232210
6251343030441
734610306611
oct7617552631
92623035507
101044305305
1149653503a
1225189b421
13138480544
149c9a1a41
1561a33bda
hex3e3ed599

1044305305 has 4 divisors (see below), whose sum is σ = 1253166372. Its totient is φ = 835444240.

The previous prime is 1044305293. The next prime is 1044305321. The reversal of 1044305305 is 5035034401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 570111129 + 474194176 = 23877^2 + 21776^2 .

It is not a de Polignac number, because 1044305305 - 211 = 1044303257 is a prime.

It is a super-2 number, since 2×10443053052 = 2181147140102286050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044305305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104430526 + ... + 104430535.

It is an arithmetic number, because the mean of its divisors is an integer number (313291593).

Almost surely, 21044305305 is an apocalyptic number.

It is an amenable number.

1044305305 is a deficient number, since it is larger than the sum of its proper divisors (208861067).

1044305305 is an equidigital number, since it uses as much as digits as its factorization.

1044305305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208861066.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1044305305 is about 32315.7129737222. The cubic root of 1044305305 is about 1014.5555432302. Note that the first 4 decimals are identical.

Adding to 1044305305 its reverse (5035034401), we get a palindrome (6079339706).

The spelling of 1044305305 in words is "one billion, forty-four million, three hundred five thousand, three hundred five".

Divisors: 1 5 208861061 1044305305