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64104450 = 235217231093
BaseRepresentation
bin1111010010001…
…0100000000010
311110121211202220
43310202200002
5112402320300
610205551510
71405610304
oct364424002
9143554686
1064104450
1133204693
1219575596
1310386237
148729974
155963da0
hex3d22802

64104450 has 96 divisors (see below), whose sum is σ = 175810176. Its totient is φ = 15375360.

The previous prime is 64104431. The next prime is 64104451. The reversal of 64104450 is 5440146.

It is a self number, because there is not a number n which added to its sum of digits gives 64104450.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64104451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58104 + ... + 59196.

It is an arithmetic number, because the mean of its divisors is an integer number (1831356).

Almost surely, 264104450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64104450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87905088).

64104450 is an abundant number, since it is smaller than the sum of its proper divisors (111705726).

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

64104450 is a wasteful number, since it uses less digits than its factorization.

64104450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 64104450 is about 8006.5254636453. The cubic root of 64104450 is about 400.2174858949.

Adding to 64104450 its reverse (5440146), we get a palindrome (69544596).

The spelling of 64104450 in words is "sixty-four million, one hundred four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 23 25 30 34 46 50 51 69 75 85 102 115 138 150 170 230 255 345 391 425 510 575 690 782 850 1093 1150 1173 1275 1725 1955 2186 2346 2550 3279 3450 3910 5465 5865 6558 9775 10930 11730 16395 18581 19550 25139 27325 29325 32790 37162 50278 54650 55743 58650 75417 81975 92905 111486 125695 150834 163950 185810 251390 278715 377085 427363 464525 557430 628475 754170 854726 929050 1256950 1282089 1393575 1885425 2136815 2564178 2787150 3770850 4273630 6410445 10684075 12820890 21368150 32052225 64104450