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64300000 = 2555643
BaseRepresentation
bin1111010101001…
…0001111100000
311110222210000111
43311102033200
5112430100000
610214101104
71410353362
oct365221740
9143883014
1064300000
11333285a6
121964a794
131042424b
14877ad32
1559a1cba
hex3d523e0

64300000 has 72 divisors (see below), whose sum is σ = 158474232. Its totient is φ = 25680000.

The previous prime is 64299997. The next prime is 64300021. The reversal of 64300000 is 346.

64300000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 99679 + ... + 100321.

It is an arithmetic number, because the mean of its divisors is an integer number (2201031).

Almost surely, 264300000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79237116).

64300000 is an abundant number, since it is smaller than the sum of its proper divisors (94174232).

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

64300000 is an frugal number, since it uses more digits than its factorization.

64300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 64300000 is about 8018.7280786918. The cubic root of 64300000 is about 400.6240259727.

Adding to 64300000 its reverse (346), we get a palindrome (64300346).

The spelling of 64300000 in words is "sixty-four million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 643 800 1000 1250 1286 2000 2500 2572 3125 3215 4000 5000 5144 6250 6430 10000 10288 12500 12860 16075 20000 20576 25000 25720 32150 50000 51440 64300 80375 100000 102880 128600 160750 257200 321500 401875 514400 643000 803750 1286000 1607500 2009375 2572000 3215000 4018750 6430000 8037500 12860000 16075000 32150000 64300000