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444444132 = 223112306091
BaseRepresentation
bin11010011111011…
…010110111100100
31010222022002201210
4122133122313210
51402234203012
6112033551420
714004466326
oct3237326744
91128262653
10444444132
11208971500
12104a15570
1371102bc2
1443053616
152904223c
hex1a7dade4

444444132 has 36 divisors (see below), whose sum is σ = 1139886608. Its totient is φ = 134679600.

The previous prime is 444444103. The next prime is 444444149. The reversal of 444444132 is 231444444.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 444444132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151594 + ... + 154497.

Almost surely, 2444444132 is an apocalyptic number.

It is an amenable number.

444444132 is an abundant number, since it is smaller than the sum of its proper divisors (695442476).

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

444444132 is a wasteful number, since it uses less digits than its factorization.

444444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306120 (or 306107 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 444444132 is about 21081.8436575172. The cubic root of 444444132 is about 763.1426495390.

Adding to 444444132 its reverse (231444444), we get a palindrome (675888576).

The spelling of 444444132 in words is "four hundred forty-four million, four hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 306091 612182 918273 1224364 1836546 3367001 3673092 6734002 10101003 13468004 20202006 37037011 40404012 74074022 111111033 148148044 222222066 444444132