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568144780 = 225719121247
BaseRepresentation
bin100001110111010…
…011001110001100
31110121001202010021
4201313103032030
52130421113110
6132213151524
720036102530
oct4167231614
91417052107
10568144780
11271780645
1213a32b5a4
1390924358
1455653bc0
1534d292da
hex21dd338c

568144780 has 48 divisors (see below), whose sum is σ = 1370750976. Its totient is φ = 193763520.

The previous prime is 568144757. The next prime is 568144823. The reversal of 568144780 is 87441865.

568144780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16117 + ... + 37363.

It is an arithmetic number, because the mean of its divisors is an integer number (28557312).

Almost surely, 2568144780 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 568144780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685375488).

568144780 is an abundant number, since it is smaller than the sum of its proper divisors (802606196).

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

568144780 is a wasteful number, since it uses less digits than its factorization.

568144780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21454 (or 21452 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 568144780 is about 23835.7877990219. The cubic root of 568144780 is about 828.2339086479.

The spelling of 568144780 in words is "five hundred sixty-eight million, one hundred forty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 191 382 764 955 1337 1910 2674 3820 5348 6685 13370 21247 26740 42494 84988 106235 148729 212470 297458 424940 594916 743645 1487290 2974580 4058177 8116354 16232708 20290885 28407239 40581770 56814478 81163540 113628956 142036195 284072390 568144780