Search a number
-
+
56000128 = 27437501
BaseRepresentation
bin1101010110011…
…1111010000000
310220101002201211
43111213322000
5103314001003
65320135504
71246664452
oct325477200
9126332654
1056000128
11296797a8
1216907594
13b7a9492
14761a2d2
154db296d
hex3567e80

56000128 has 16 divisors (see below), whose sum is σ = 111563010. Its totient is φ = 28000000.

The previous prime is 56000123. The next prime is 56000143. The reversal of 56000128 is 82100065.

It is a happy number.

56000128 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 only one way, i.e., 50580544 + 5419584 = 7112^2 + 2328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56000099 and 56000108.

It is not an unprimeable number, because it can be changed into a prime (56000123) 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 as a sum of consecutive naturals, namely, 218623 + ... + 218878.

Almost surely, 256000128 is an apocalyptic number.

It is an amenable number.

56000128 is a deficient number, since it is larger than the sum of its proper divisors (55562882).

56000128 is an equidigital number, since it uses as much as digits as its factorization.

56000128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437515 (or 437503 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 56000128 is about 7483.3233259027. The cubic root of 56000128 is about 382.5865280485.

The spelling of 56000128 in words is "fifty-six million, one hundred twenty-eight", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 64 128 437501 875002 1750004 3500008 7000016 14000032 28000064 56000128