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56285773 = 57797549
BaseRepresentation
bin1101011010110…
…1101001001101
310220220121120021
43112231221031
5103402121043
65330222141
71252264315
oct326555115
9126817507
1056285773
1129854375
1216a24951
13b8794bb
147692445
154e1c3ed
hex35ada4d

56285773 has 4 divisors (see below), whose sum is σ = 56383900. Its totient is φ = 56187648.

The previous prime is 56285731. The next prime is 56285777. The reversal of 56285773 is 37758265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37758265 = 57551653.

It can be written as a sum of positive squares in 2 ways, for example, as 39980329 + 16305444 = 6323^2 + 4038^2 .

It is a cyclic number.

It is not a de Polignac number, because 56285773 - 29 = 56285261 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 (56285777) 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, 48198 + ... + 49351.

It is an arithmetic number, because the mean of its divisors is an integer number (14095975).

Almost surely, 256285773 is an apocalyptic number.

It is an amenable number.

56285773 is a deficient number, since it is larger than the sum of its proper divisors (98127).

56285773 is an equidigital number, since it uses as much as digits as its factorization.

56285773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98126.

The product of its digits is 352800, while the sum is 43.

The square root of 56285773 is about 7502.3844876146. The cubic root of 56285773 is about 383.2359232430.

The spelling of 56285773 in words is "fifty-six million, two hundred eighty-five thousand, seven hundred seventy-three".

Divisors: 1 577 97549 56285773