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444314320 = 24531971847
BaseRepresentation
bin11010011110111…
…011001011010000
31010222001111122221
4122132323023100
51402221024240
6112031110424
714003416012
oct3236731320
91128044587
10444314320
11208892a1a
12104972414
1371088aa8
144301c1b2
1529018a4a
hex1a7bb2d0

444314320 has 80 divisors (see below), whose sum is σ = 1077931008. Its totient is φ = 170127360.

The previous prime is 444314303. The next prime is 444314327. The reversal of 444314320 is 23413444.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444314327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239637 + ... + 241483.

Almost surely, 2444314320 is an apocalyptic number.

444314320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444314320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538965504).

444314320 is an abundant number, since it is smaller than the sum of its proper divisors (633616688).

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

444314320 is a wasteful number, since it uses less digits than its factorization.

444314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 444314320 is about 21078.7646696859. The cubic root of 444314320 is about 763.0683434468.

Adding to 444314320 its reverse (23413444), we get a palindrome (467727764).

The spelling of 444314320 in words is "four hundred forty-four million, three hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 97 124 155 194 248 310 388 485 496 620 776 970 1240 1552 1847 1940 2480 3007 3694 3880 6014 7388 7760 9235 12028 14776 15035 18470 24056 29552 30070 36940 48112 57257 60140 73880 114514 120280 147760 179159 229028 240560 286285 358318 458056 572570 716636 895795 916112 1145140 1433272 1791590 2290280 2866544 3583180 4580560 5553929 7166360 11107858 14332720 22215716 27769645 44431432 55539290 88862864 111078580 222157160 444314320