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56880101 is a prime number
BaseRepresentation
bin1101100011111…
…0101111100101
310222000210211102
43120332233211
5104030130401
65351045445
71260321125
oct330765745
9128023742
1056880101
112a11a953
1217070885
13ba26b85
1477a8c85
154ed856b
hex363ebe5

56880101 has 2 divisors, whose sum is σ = 56880102. Its totient is φ = 56880100.

The previous prime is 56880073. The next prime is 56880157. The reversal of 56880101 is 10108865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54316900 + 2563201 = 7370^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 56880101 - 26 = 56880037 is a prime.

It is a Chen prime.

It is equal to p3387710 and since 56880101 and 3387710 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56882101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28440050 + 28440051.

It is an arithmetic number, because the mean of its divisors is an integer number (28440051).

Almost surely, 256880101 is an apocalyptic number.

It is an amenable number.

56880101 is a deficient number, since it is larger than the sum of its proper divisors (1).

56880101 is an equidigital number, since it uses as much as digits as its factorization.

56880101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 56880101 is about 7541.8897499234. The cubic root of 56880101 is about 384.5800807565.

Adding to 56880101 its reverse (10108865), we get a palindrome (66988966).

The spelling of 56880101 in words is "fifty-six million, eight hundred eighty thousand, one hundred one".