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444310000 = 2454157283
BaseRepresentation
bin11010011110111…
…010000111110000
31010222001021201221
4122132322013300
51402220410000
6112031034424
714003400301
oct3236720760
91128037657
10444310000
1120888a752
1210496ba14
1371086b34
144301a7a8
152901761a
hex1a7ba1f0

444310000 has 100 divisors (see below), whose sum is σ = 1086395992. Its totient is φ = 175968000.

The previous prime is 444309997. The next prime is 444310001. The reversal of 444310000 is 13444.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×4443100002 = 394822752200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444310001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1569859 + ... + 1570141.

Almost surely, 2444310000 is an apocalyptic number.

444310000 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 444310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543197996).

444310000 is an abundant number, since it is smaller than the sum of its proper divisors (642085992).

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

444310000 is a wasteful number, since it uses less digits than its factorization.

444310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 444310000 is about 21078.6621966386. The cubic root of 444310000 is about 763.0658703732.

Adding to 444310000 its reverse (13444), we get a palindrome (444323444).

The spelling of 444310000 in words is "four hundred forty-four million, three hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 157 200 250 283 314 400 500 566 625 628 785 1000 1132 1250 1256 1415 1570 2000 2264 2500 2512 2830 3140 3925 4528 5000 5660 6280 7075 7850 10000 11320 12560 14150 15700 19625 22640 28300 31400 35375 39250 44431 56600 62800 70750 78500 88862 98125 113200 141500 157000 176875 177724 196250 222155 283000 314000 353750 355448 392500 444310 566000 707500 710896 785000 888620 1110775 1415000 1570000 1777240 2221550 2830000 3554480 4443100 5553875 8886200 11107750 17772400 22215500 27769375 44431000 55538750 88862000 111077500 222155000 444310000