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6444025230 = 2352310192467
BaseRepresentation
bin1100000000001100…
…00000010110001110
3121122002120101210010
412000012000112032
5101144132301410
62543233454050
7315455211366
oct60006002616
917562511703
106444025230
112807536595
1212ba111326
137b90830a6
14451b939a6
1527aae5c20
hex18018058e

6444025230 has 64 divisors (see below), whose sum is σ = 16298039808. Its totient is φ = 1627401600.

The previous prime is 6444025187. The next prime is 6444025283. The reversal of 6444025230 is 325204446.

It is a super-2 number, since 2×64440252302 = 83050922329753105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23457 + ... + 115923.

It is an arithmetic number, because the mean of its divisors is an integer number (254656872).

Almost surely, 26444025230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6444025230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8149019904).

6444025230 is an abundant number, since it is smaller than the sum of its proper divisors (9854014578).

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

6444025230 is a wasteful number, since it uses less digits than its factorization.

6444025230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92601.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 6444025230 is about 80274.6861096323. The cubic root of 6444025230 is about 1860.8830383348.

Adding to 6444025230 its reverse (325204446), we get a palindrome (6769229676).

The spelling of 6444025230 in words is "six billion, four hundred forty-four million, twenty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 101 115 138 202 230 303 345 505 606 690 1010 1515 2323 3030 4646 6969 11615 13938 23230 34845 69690 92467 184934 277401 462335 554802 924670 1387005 2126741 2774010 4253482 6380223 9339167 10633705 12760446 18678334 21267410 28017501 31901115 46695835 56035002 63802230 93391670 140087505 214800841 280175010 429601682 644402523 1074004205 1288805046 2148008410 3222012615 6444025230