Search a number
-
+
44224005 = 357421181
BaseRepresentation
bin1010100010110…
…0111000000101
310002012210221010
42220230320011
542310132010
64215512433
71044616650
oct250547005
9102183833
1044224005
1122a66171
1212988719
139215367
145c32897
153d38620
hex2a2ce05

44224005 has 16 divisors (see below), whose sum is σ = 80866944. Its totient is φ = 20216640.

The previous prime is 44224003. The next prime is 44224007. The reversal of 44224005 is 50042244.

It is an interprime number because it is at equal distance from previous prime (44224003) and next prime (44224007).

It is not a de Polignac number, because 44224005 - 21 = 44224003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210486 + ... + 210695.

It is an arithmetic number, because the mean of its divisors is an integer number (5054184).

Almost surely, 244224005 is an apocalyptic number.

It is an amenable number.

44224005 is a deficient number, since it is larger than the sum of its proper divisors (36642939).

44224005 is a wasteful number, since it uses less digits than its factorization.

44224005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421196.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44224005 is about 6650.1131569320. The cubic root of 44224005 is about 353.6329225035.

Adding to 44224005 its reverse (50042244), we get a palindrome (94266249).

The spelling of 44224005 in words is "forty-four million, two hundred twenty-four thousand, five".

Divisors: 1 3 5 7 15 21 35 105 421181 1263543 2105905 2948267 6317715 8844801 14741335 44224005