Search a number
-
+
1305053300 = 225213050533
BaseRepresentation
bin100110111001001…
…1000100001110100
310100221200120120102
41031302120201310
510133043201200
6333255453232
744224525055
oct11562304164
93327616512
101305053300
1160a739951
12305087218
1317a4b70b5
14c547872c
157988c6d5
hex4dc98874

1305053300 has 18 divisors (see below), whose sum is σ = 2831965878. Its totient is φ = 522021280.

The previous prime is 1305053261. The next prime is 1305053317. The reversal of 1305053300 is 33505031.

It can be written as a sum of positive squares in 3 ways, for example, as 25989604 + 1279063696 = 5098^2 + 35764^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6525167 + ... + 6525366.

Almost surely, 21305053300 is an apocalyptic number.

1305053300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305053300 is an abundant number, since it is smaller than the sum of its proper divisors (1526912578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305053300 is a wasteful number, since it uses less digits than its factorization.

1305053300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13050547 (or 13050540 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 1305053300 is about 36125.5214495237. The cubic root of 1305053300 is about 1092.8051920324.

Adding to 1305053300 its reverse (33505031), we get a palindrome (1338558331).

The spelling of 1305053300 in words is "one billion, three hundred five million, fifty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13050533 26101066 52202132 65252665 130505330 261010660 326263325 652526650 1305053300