Search a number
-
+
1304430419 = 10312664373
BaseRepresentation
bin100110111000000…
…0000011101010011
310100220111221010202
41031300000131103
510132413233134
6333234245415
744216322065
oct11560003523
93326457122
101304430419
1160a353976
12304a2686b
1317a329726
14c5355735
15797b7d7e
hex4dc00753

1304430419 has 4 divisors (see below), whose sum is σ = 1317094896. Its totient is φ = 1291765944.

The previous prime is 1304430409. The next prime is 1304430467. The reversal of 1304430419 is 9140344031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304430419 - 28 = 1304430163 is a prime.

It is a super-2 number, since 2×13044304192 = 3403077436025031122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304430391 and 1304430400.

It is not an unprimeable number, because it can be changed into a prime (1304430409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6332084 + ... + 6332289.

It is an arithmetic number, because the mean of its divisors is an integer number (329273724).

Almost surely, 21304430419 is an apocalyptic number.

1304430419 is a deficient number, since it is larger than the sum of its proper divisors (12664477).

1304430419 is a wasteful number, since it uses less digits than its factorization.

1304430419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12664476.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1304430419 is about 36116.8993547342. The cubic root of 1304430419 is about 1092.6313049037.

The spelling of 1304430419 in words is "one billion, three hundred four million, four hundred thirty thousand, four hundred nineteen".

Divisors: 1 103 12664373 1304430419