Search a number
-
+
320132423 = 13172362981
BaseRepresentation
bin10011000101001…
…101010101000111
3211022101102010102
4103011031111013
51123423214143
651433314315
710635036452
oct2305152507
9738342112
10320132423
11154785256
128b26599b
1351429590
1430734499
151d1890b8
hex1314d547

320132423 has 16 divisors (see below), whose sum is σ = 380915136. Its totient is φ = 266027520.

The previous prime is 320132419. The next prime is 320132431. The reversal of 320132423 is 324231023.

It is a cyclic number.

It is not a de Polignac number, because 320132423 - 22 = 320132419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320132395 and 320132404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320132023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26408 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (23807196).

Almost surely, 2320132423 is an apocalyptic number.

320132423 is a deficient number, since it is larger than the sum of its proper divisors (60782713).

320132423 is a wasteful number, since it uses less digits than its factorization.

320132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63034.

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

The square root of 320132423 is about 17892.2447725264. The cubic root of 320132423 is about 684.0847157193.

Adding to 320132423 its reverse (324231023), we get a palindrome (644363446).

The spelling of 320132423 in words is "three hundred twenty million, one hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 13 17 23 221 299 391 5083 62981 818753 1070677 1448563 13918801 18831319 24625571 320132423