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444422172 = 22353838419
BaseRepresentation
bin11010011111010…
…101100000011100
31010222020222121110
4122133111200130
51402233002142
6112033302020
714004345315
oct3237254034
91128228543
10444422172
11208956a57
12104a04910
13710c5bcc
144304960c
152903a99c
hex1a7d581c

444422172 has 48 divisors (see below), whose sum is σ = 1069407360. Its totient is φ = 143577408.

The previous prime is 444422159. The next prime is 444422183. The reversal of 444422172 is 271224444.

It is a super-3 number, since 3×4444221723 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48579 + ... + 56997.

It is an arithmetic number, because the mean of its divisors is an integer number (22279320).

Almost surely, 2444422172 is an apocalyptic number.

It is an amenable number.

444422172 is an abundant number, since it is smaller than the sum of its proper divisors (624985188).

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

444422172 is a wasteful number, since it uses less digits than its factorization.

444422172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562 (or 8560 counting only the distinct ones).

The product of its digits is 14336, while the sum is 30.

The square root of 444422172 is about 21081.3228237699. The cubic root of 444422172 is about 763.1300803638.

The spelling of 444422172 in words is "four hundred forty-four million, four hundred twenty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 53 83 106 159 166 212 249 318 332 498 636 996 4399 8419 8798 13197 16838 17596 25257 26394 33676 50514 52788 101028 446207 698777 892414 1338621 1397554 1784828 2096331 2677242 2795108 4192662 5354484 8385324 37035181 74070362 111105543 148140724 222211086 444422172