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568394240 = 295222029
BaseRepresentation
bin100001111000010…
…000001000000000
31110121112102022112
4201320100020000
52131002103430
6132222354452
720041162031
oct4170201000
91417472275
10568394240
11271931007
1213a42ba28
13909b0a6b
14556baa88
1534d78195
hex21e10200

568394240 has 40 divisors (see below), whose sum is σ = 1362820140. Its totient is φ = 227356672.

The previous prime is 568394221. The next prime is 568394249. The reversal of 568394240 is 42493865.

It can be written as a sum of positive squares in 2 ways, for example, as 496754944 + 71639296 = 22288^2 + 8464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (568394249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108455 + ... + 113574.

Almost surely, 2568394240 is an apocalyptic number.

It is an amenable number.

568394240 is an abundant number, since it is smaller than the sum of its proper divisors (794425900).

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

568394240 is an equidigital number, since it uses as much as digits as its factorization.

568394240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222052 (or 222036 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 568394240 is about 23841.0201124029. The cubic root of 568394240 is about 828.3551107347.

The spelling of 568394240 in words is "five hundred sixty-eight million, three hundred ninety-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 222029 444058 888116 1110145 1776232 2220290 3552464 4440580 7104928 8881160 14209856 17762320 28419712 35524640 56839424 71049280 113678848 142098560 284197120 568394240