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56011600 = 2452178237
BaseRepresentation
bin1101010110101…
…0101101010000
310220101200110201
43111222231100
5103314332400
65320304544
71250043061
oct325525520
9126350421
1056011600
1129687387
1216912154
13b7b1778
147620568
154db606a
hex356ab50

56011600 has 60 divisors (see below), whose sum is σ = 142500924. Its totient is φ = 21084160.

The previous prime is 56011589. The next prime is 56011609. The reversal of 56011600 is 611065.

56011600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 300304 + 55711296 = 548^2 + 7464^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011609) by changing a digit.

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, 2682 + ... + 10918.

Almost surely, 256011600 is an apocalyptic number.

56011600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56011600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71250462).

56011600 is an abundant number, since it is smaller than the sum of its proper divisors (86489324).

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

56011600 is a wasteful number, since it uses less digits than its factorization.

56011600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8261 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 56011600 is about 7484.0897910167. The cubic root of 56011600 is about 382.6126513994.

Adding to 56011600 its reverse (611065), we get a palindrome (56622665).

The spelling of 56011600 in words is "fifty-six million, eleven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 680 850 1360 1700 3400 6800 8237 16474 32948 41185 65896 82370 131792 140029 164740 205925 280058 329480 411850 560116 658960 700145 823700 1120232 1400290 1647400 2240464 2800580 3294800 3500725 5601160 7001450 11202320 14002900 28005800 56011600