Search a number
-
+
320204423 = 7114158499
BaseRepresentation
bin10011000101011…
…110111010000111
3211022112001220002
4103011132322013
51123433020143
651435031515
710635456410
oct2305367207
9738461802
10320204423
11154824360
128b29b59b
1351453296
1430752807
151d1a05b8
hex1315ee87

320204423 has 8 divisors (see below), whose sum is σ = 399216000. Its totient is φ = 249509880.

The previous prime is 320204411. The next prime is 320204447. The reversal of 320204423 is 324402023.

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

It is a cyclic number.

It is not a de Polignac number, because 320204423 - 214 = 320188039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320204395 and 320204404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320204723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079173 + ... + 2079326.

It is an arithmetic number, because the mean of its divisors is an integer number (49902000).

Almost surely, 2320204423 is an apocalyptic number.

320204423 is a deficient number, since it is larger than the sum of its proper divisors (79011577).

320204423 is a wasteful number, since it uses less digits than its factorization.

320204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158517.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 320204423 is about 17894.2567043172. The cubic root of 320204423 is about 684.1359970057.

Adding to 320204423 its reverse (324402023), we get a palindrome (644606446).

The spelling of 320204423 in words is "three hundred twenty million, two hundred four thousand, four hundred twenty-three".

Divisors: 1 7 11 77 4158499 29109493 45743489 320204423