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56030789 = 97577637
BaseRepresentation
bin1101010110111…
…1011001000101
310220102122210102
43111233121011
5103320441124
65320533445
71250153033
oct325573105
9126378712
1056030789
112969a841
1216921285
13b7ba419
147627553
154dbbaae
hex356f645

56030789 has 4 divisors (see below), whose sum is σ = 56608524. Its totient is φ = 55453056.

The previous prime is 56030773. The next prime is 56030801. The reversal of 56030789 is 98703065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15288100 + 40742689 = 3910^2 + 6383^2 .

It is a cyclic number.

It is not a de Polignac number, because 56030789 - 24 = 56030773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56030189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288722 + ... + 288915.

It is an arithmetic number, because the mean of its divisors is an integer number (14152131).

Almost surely, 256030789 is an apocalyptic number.

It is an amenable number.

56030789 is a deficient number, since it is larger than the sum of its proper divisors (577735).

56030789 is an equidigital number, since it uses as much as digits as its factorization.

56030789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577734.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 56030789 is about 7485.3716674591. The cubic root of 56030789 is about 382.6563394682.

The spelling of 56030789 in words is "fifty-six million, thirty thousand, seven hundred eighty-nine".

Divisors: 1 97 577637 56030789