Search a number
-
+
1530344513 = 3323460531
BaseRepresentation
bin101101100110111…
…0011010001000001
310221122121120000102
41123031303101001
511113232011023
6411504332145
752631466545
oct13315632101
93848546012
101530344513
11715926535
12368614055
131b5087cc9
14107361a25
158e540628
hex5b373441

1530344513 has 4 divisors (see below), whose sum is σ = 1530808368. Its totient is φ = 1529880660.

The previous prime is 1530344507. The next prime is 1530344549. The reversal of 1530344513 is 3154430351.

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.

It is a cyclic number.

It is not a de Polignac number, because 1530344513 - 212 = 1530340417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530344593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226943 + ... + 233588.

It is an arithmetic number, because the mean of its divisors is an integer number (382702092).

Almost surely, 21530344513 is an apocalyptic number.

It is an amenable number.

1530344513 is a deficient number, since it is larger than the sum of its proper divisors (463855).

1530344513 is an equidigital number, since it uses as much as digits as its factorization.

1530344513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463854.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1530344513 is about 39119.6180068262. The cubic root of 1530344513 is about 1152.3818341965.

Adding to 1530344513 its reverse (3154430351), we get a palindrome (4684774864).

The spelling of 1530344513 in words is "one billion, five hundred thirty million, three hundred forty-four thousand, five hundred thirteen".

Divisors: 1 3323 460531 1530344513