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444221034 = 23233218993
BaseRepresentation
bin11010011110100…
…100011001101010
31010221212202200220
4122132210121222
51402210033114
6112025110510
714002550025
oct3236443152
91127782626
10444221034
11208829924
12104928436
13710554aa
1442dd61bc
1528eeb0a9
hex1a7a466a

444221034 has 16 divisors (see below), whose sum is σ = 927070272. Its totient is φ = 141635648.

The previous prime is 444221009. The next prime is 444221059. The reversal of 444221034 is 430122444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444221009) and next prime (444221059).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 444220995 and 444221013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609359 + ... + 1609634.

It is an arithmetic number, because the mean of its divisors is an integer number (57941892).

Almost surely, 2444221034 is an apocalyptic number.

444221034 is an abundant number, since it is smaller than the sum of its proper divisors (482849238).

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

444221034 is a wasteful number, since it uses less digits than its factorization.

444221034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219021.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444221034 is about 21076.5517578185. The cubic root of 444221034 is about 763.0149363783.

Adding to 444221034 its reverse (430122444), we get a palindrome (874343478).

The spelling of 444221034 in words is "four hundred forty-four million, two hundred twenty-one thousand, thirty-four".

Divisors: 1 2 3 6 23 46 69 138 3218993 6437986 9656979 19313958 74036839 148073678 222110517 444221034