Search a number
-
+
4430421441 = 35131139177
BaseRepresentation
bin1000010000001001…
…01101110111000001
3102102202121201200000
410020010231313001
533033141441231
62011343150213
7214534650405
oct41004556701
912382551600
104430421441
111973948226
12a378a5369
13557b54a64
14300597105
151ade476e6
hex10812ddc1

4430421441 has 24 divisors (see below), whose sum is σ = 6687224544. Its totient is φ = 2931046560.

The previous prime is 4430421427. The next prime is 4430421449. The reversal of 4430421441 is 1441240344.

4430421441 is a `hidden beast` number, since 443 + 0 + 4 + 214 + 4 + 1 = 666.

It is not a de Polignac number, because 4430421441 - 27 = 4430421313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4430421449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37756 + ... + 101421.

It is an arithmetic number, because the mean of its divisors is an integer number (278634356).

Almost surely, 24430421441 is an apocalyptic number.

It is an amenable number.

4430421441 is a deficient number, since it is larger than the sum of its proper divisors (2256803103).

4430421441 is a wasteful number, since it uses less digits than its factorization.

4430421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139323 (or 139311 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4430421441 is about 66561.4110502474. The cubic root of 4430421441 is about 1642.4103760442.

Adding to 4430421441 its reverse (1441240344), we get a palindrome (5871661785).

The spelling of 4430421441 in words is "four billion, four hundred thirty million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 3 9 27 81 131 243 393 1179 3537 10611 31833 139177 417531 1252593 3757779 11273337 18232187 33820011 54696561 164089683 492269049 1476807147 4430421441