Search a number
-
+
130320434 = 2122353279
BaseRepresentation
bin1111100010010…
…00100000110010
3100002012222000202
413301020200302
5231330223214
620533115202
73141463646
oct761104062
9302188022
10130320434
1167620742
1237788b02
1320ccb5aa
1413444c26
15b6936de
hex7c48832

130320434 has 8 divisors (see below), whose sum is σ = 195644160. Its totient is φ = 65105716.

The previous prime is 130320431. The next prime is 130320451. The reversal of 130320434 is 434023031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130320431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24194 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (24455520).

Almost surely, 2130320434 is an apocalyptic number.

130320434 is a deficient number, since it is larger than the sum of its proper divisors (65323726).

130320434 is a wasteful number, since it uses less digits than its factorization.

130320434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54504.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 130320434 is about 11415.7975630264. The cubic root of 130320434 is about 506.9955792738.

Adding to 130320434 its reverse (434023031), we get a palindrome (564343465).

The spelling of 130320434 in words is "one hundred thirty million, three hundred twenty thousand, four hundred thirty-four".

Divisors: 1 2 1223 2446 53279 106558 65160217 130320434