Search a number
-
+
130430323 = 353369491
BaseRepresentation
bin1111100011000…
…11010101110011
3100002102112202201
413301203111303
5231342232243
620535324031
73142432222
oct761432563
9302375681
10130430323
1167696261
1237820617
132103960a
1413472cb9
15b6b604d
hex7c63573

130430323 has 4 divisors (see below), whose sum is σ = 130800168. Its totient is φ = 130060480.

The previous prime is 130430317. The next prime is 130430347. The reversal of 130430323 is 323034031.

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 130430323 - 29 = 130429811 is a prime.

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 130430323.

It is not an unprimeable number, because it can be changed into a prime (130430303) 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, 184393 + ... + 185098.

It is an arithmetic number, because the mean of its divisors is an integer number (32700042).

Almost surely, 2130430323 is an apocalyptic number.

130430323 is a deficient number, since it is larger than the sum of its proper divisors (369845).

130430323 is an equidigital number, since it uses as much as digits as its factorization.

130430323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369844.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 130430323 is about 11420.6095721726. The cubic root of 130430323 is about 507.1380424402.

Adding to 130430323 its reverse (323034031), we get a palindrome (453464354).

The spelling of 130430323 in words is "one hundred thirty million, four hundred thirty thousand, three hundred twenty-three".

Divisors: 1 353 369491 130430323