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56880073 is a prime number
BaseRepresentation
bin1101100011111…
…0101111001001
310222000210210101
43120332233021
5104030130243
65351045401
71260321055
oct330765711
9128023711
1056880073
112a11a928
1217070861
13ba26b63
1477a8c65
154ed854d
hex363ebc9

56880073 has 2 divisors, whose sum is σ = 56880074. Its totient is φ = 56880072.

The previous prime is 56880059. The next prime is 56880101. The reversal of 56880073 is 37008865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53538489 + 3341584 = 7317^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 56880073 - 217 = 56749001 is a prime.

It is equal to p3387709 and since 56880073 and 3387709 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56880673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28440036 + 28440037.

It is an arithmetic number, because the mean of its divisors is an integer number (28440037).

Almost surely, 256880073 is an apocalyptic number.

It is an amenable number.

56880073 is a deficient number, since it is larger than the sum of its proper divisors (1).

56880073 is an equidigital number, since it uses as much as digits as its factorization.

56880073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 56880073 is about 7541.8878936245. The cubic root of 56880073 is about 384.5800176516.

The spelling of 56880073 in words is "fifty-six million, eight hundred eighty thousand, seventy-three".