Search a number
-
+
9320809 = 432712
BaseRepresentation
bin100011100011…
…100101101001
3122112112202011
4203203211221
54341231214
6531435521
7142140241
oct43434551
918475664
109320809
115296953
123155ba1
131c14694
141348b21
15c41ac4
hex8e3969

9320809 has 9 divisors (see below), whose sum is σ = 9678909. Its totient is φ = 8975820.

The previous prime is 9320807. The next prime is 9320833. The reversal of 9320809 is 9080239.

It is a happy number.

The square root of 9320809 is 3053.

It is a perfect power (a square), and thus also a powerful number.

9320809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9320809 - 21 = 9320807 is a prime.

It is a Duffinian number.

9320809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9320807) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 131244 + ... + 131314.

Almost surely, 29320809 is an apocalyptic number.

9320809 is the 3053-rd square number.

9320809 is the 1527-th centered octagonal number.

It is an amenable number.

9320809 is a deficient number, since it is larger than the sum of its proper divisors (358100).

9320809 is an frugal number, since it uses more digits than its factorization.

9320809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The cubic root of 9320809 is about 210.4511013453.

It can be divided in two parts, 93 and 20809, that added together give a palindrome (20902).

The spelling of 9320809 in words is "nine million, three hundred twenty thousand, eight hundred nine".

Divisors: 1 43 71 1849 3053 5041 131279 216763 9320809