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56943841 is a prime number
BaseRepresentation
bin1101100100111…
…0010011100001
310222011001021011
43121032103201
5104034200331
65352300521
71261005013
oct331162341
9128131234
1056943841
112a163829
12170a1741
13ba49ba6
1477c41b3
154eec3b1
hex364e4e1

56943841 has 2 divisors, whose sum is σ = 56943842. Its totient is φ = 56943840.

The previous prime is 56943839. The next prime is 56943853. The reversal of 56943841 is 14834965.

56943841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 6477025 = 7104^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 56943841 - 21 = 56943839 is a prime.

Together with 56943839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56943794 and 56943803.

It is not a weakly prime, because it can be changed into another prime (56943871) 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, 28471920 + 28471921.

It is an arithmetic number, because the mean of its divisors is an integer number (28471921).

Almost surely, 256943841 is an apocalyptic number.

It is an amenable number.

56943841 is a deficient number, since it is larger than the sum of its proper divisors (1).

56943841 is an equidigital number, since it uses as much as digits as its factorization.

56943841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 56943841 is about 7546.1142981007. The cubic root of 56943841 is about 384.7236809677.

The spelling of 56943841 in words is "fifty-six million, nine hundred forty-three thousand, eight hundred forty-one".