Search a number
-
+
9444385 = 54913847
BaseRepresentation
bin100100000001…
…110000100001
3122202211021001
4210001300201
54404210020
6534232001
7143163436
oct44016041
918684231
109444385
115370785
1231b5601
131c589c2
14137bb8d
15c6850a
hex901c21

9444385 has 8 divisors (see below), whose sum is σ = 11359296. Its totient is φ = 7538160.

The previous prime is 9444359. The next prime is 9444403. The reversal of 9444385 is 5834449.

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

It is not a de Polignac number, because 9444385 - 25 = 9444353 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 94 + 410 + 411 + 411 + 3 + 83 + 53 .

It is a Duffinian number.

9444385 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (1419912).

Almost surely, 29444385 is an apocalyptic number.

It is an amenable number.

9444385 is a deficient number, since it is larger than the sum of its proper divisors (1914911).

9444385 is a wasteful number, since it uses less digits than its factorization.

9444385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its digits is 69120, while the sum is 37.

The square root of 9444385 is about 3073.1718142662. The cubic root of 9444385 is about 211.3770800336.

It can be divided in two parts, 944 and 4385, that added together give a square (5329 = 732).

The spelling of 9444385 in words is "nine million, four hundred forty-four thousand, three hundred eighty-five".

Divisors: 1 5 491 2455 3847 19235 1888877 9444385