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444422045 = 5312867239
BaseRepresentation
bin11010011111010…
…101011110011101
31010222020222102202
4122133111132131
51402233001140
6112033301245
714004345044
oct3237253635
91128228382
10444422045
11208956951
12104a04825
13710c5b32
144304955b
152903a915
hex1a7d579d

444422045 has 8 divisors (see below), whose sum is σ = 550510080. Its totient is φ = 344068560.

The previous prime is 444422009. The next prime is 444422053. The reversal of 444422045 is 540224444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444422045 - 212 = 444417949 is a prime.

It is a super-3 number, since 3×4444220453 (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 444421999 and 444422017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433465 + ... + 1433774.

It is an arithmetic number, because the mean of its divisors is an integer number (68813760).

Almost surely, 2444422045 is an apocalyptic number.

It is an amenable number.

444422045 is a deficient number, since it is larger than the sum of its proper divisors (106088035).

444422045 is a wasteful number, since it uses less digits than its factorization.

444422045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867275.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 444422045 is about 21081.3198116247. The cubic root of 444422045 is about 763.1300076720.

Adding to 444422045 its reverse (540224444), we get a palindrome (984646489).

The spelling of 444422045 in words is "four hundred forty-four million, four hundred twenty-two thousand, forty-five".

Divisors: 1 5 31 155 2867239 14336195 88884409 444422045