Search a number
-
+
1304420413 = 2356713931
BaseRepresentation
bin100110110111111…
…1110000000111101
310100220111102102011
41031233332000331
510132412423123
6333234131221
744216250652
oct11557760075
93326442364
101304420413
1160a3473aa
12304a20b11
1317a324cca
14c5351c29
15797b4e0d
hex4dbfe03d

1304420413 has 4 divisors (see below), whose sum is σ = 1361134368. Its totient is φ = 1247706460.

The previous prime is 1304420407. The next prime is 1304420417. The reversal of 1304420413 is 3140244031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3140244031 = 3499897469.

It is a cyclic number.

It is not a de Polignac number, because 1304420413 - 229 = 767549501 is a prime.

It is a super-2 number, since 2×13044204132 = 3403025227702181138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304420417) by changing a digit.

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, 28356943 + ... + 28356988.

It is an arithmetic number, because the mean of its divisors is an integer number (340283592).

Almost surely, 21304420413 is an apocalyptic number.

It is an amenable number.

1304420413 is a deficient number, since it is larger than the sum of its proper divisors (56713955).

1304420413 is an equidigital number, since it uses as much as digits as its factorization.

1304420413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56713954.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1304420413 is about 36116.7608320569. The cubic root of 1304420413 is about 1092.6285111181.

Adding to 1304420413 its reverse (3140244031), we get a palindrome (4444664444).

The spelling of 1304420413 in words is "one billion, three hundred four million, four hundred twenty thousand, four hundred thirteen".

Divisors: 1 23 56713931 1304420413