Search a number
-
+
9444942 = 23213181223
BaseRepresentation
bin100100000001…
…111001001110
3122202212000200
4210001321032
54404214232
6534234330
7143165163
oct44017116
918685020
109444942
115371141
1231b59a6
131c59030
14137c06a
15c6877c
hex901e4e

9444942 has 48 divisors (see below), whose sum is σ = 22259328. Its totient is φ = 2877120.

The previous prime is 9444937. The next prime is 9444949. The reversal of 9444942 is 2494449.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9444897 and 9444906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42243 + ... + 42465.

It is an arithmetic number, because the mean of its divisors is an integer number (463736).

Almost surely, 29444942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9444942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11129664).

9444942 is an abundant number, since it is smaller than the sum of its proper divisors (12814386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9444942 is a wasteful number, since it uses less digits than its factorization.

9444942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 9444942 is about 3073.2624359140. The cubic root of 9444942 is about 211.3812354027.

It can be divided in two parts, 944 and 4942, that added together give a triangular number (5886 = T108).

The spelling of 9444942 in words is "nine million, four hundred forty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 181 223 234 362 446 543 669 1086 1338 1629 2007 2353 2899 3258 4014 4706 5798 7059 8697 14118 17394 21177 26091 40363 42354 52182 80726 121089 242178 363267 524719 726534 1049438 1574157 3148314 4722471 9444942