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4444243000 = 23536476869
BaseRepresentation
bin1000010001110010…
…11100010000111000
3102110201121221021121
410020321130100320
533100211234000
62012555315024
7215063304451
oct41071342070
912421557247
104444243000
1119807285aa
12a4044ba74
1355a983bb2
14302354128
151b0277b1a
hex108e5c438

4444243000 has 64 divisors (see below), whose sum is σ = 10417118400. Its totient is φ = 1774691200.

The previous prime is 4444242991. The next prime is 4444243007. The reversal of 4444243000 is 3424444.

It is a super-3 number, since 3×44442430003 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444243007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643566 + ... + 650434.

It is an arithmetic number, because the mean of its divisors is an integer number (162767475).

Almost surely, 24444243000 is an apocalyptic number.

4444243000 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 4444243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5208559200).

4444243000 is an abundant number, since it is smaller than the sum of its proper divisors (5972875400).

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

4444243000 is a wasteful number, since it uses less digits than its factorization.

4444243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4444243000 is about 66665.1558162133. The cubic root of 4444243000 is about 1644.1165422756.

Adding to 4444243000 its reverse (3424444), we get a palindrome (4447667444).

The spelling of 4444243000 in words is "four billion, four hundred forty-four million, two hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 647 1000 1294 2588 3235 5176 6470 6869 12940 13738 16175 25880 27476 32350 34345 54952 64700 68690 80875 129400 137380 161750 171725 274760 323500 343450 647000 686900 858625 1373800 1717250 3434500 4444243 6869000 8888486 17776972 22221215 35553944 44442430 88884860 111106075 177769720 222212150 444424300 555530375 888848600 1111060750 2222121500 4444243000