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56316173 = 291941937
BaseRepresentation
bin1101011011010…
…1000100001101
310220222011021012
43112311010031
5103404104143
65331015005
71252452044
oct326650415
9126864235
1056316173
11298751a1
1216a3a465
13b88a2a4
14769d55b
154e26418
hex35b510d

56316173 has 4 divisors (see below), whose sum is σ = 58258140. Its totient is φ = 54374208.

The previous prime is 56316137. The next prime is 56316229. The reversal of 56316173 is 37161365.

56316173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37161365 = 57432273.

It can be written as a sum of positive squares in 2 ways, for example, as 46063369 + 10252804 = 6787^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 56316173 - 212 = 56312077 is a prime.

It is a super-2 number, since 2×563161732 = 6343022682731858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56316373) 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 in 3 ways as a sum of consecutive naturals, for example, 970940 + ... + 970997.

It is an arithmetic number, because the mean of its divisors is an integer number (14564535).

Almost surely, 256316173 is an apocalyptic number.

It is an amenable number.

56316173 is a deficient number, since it is larger than the sum of its proper divisors (1941967).

56316173 is a wasteful number, since it uses less digits than its factorization.

56316173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941966.

The product of its digits is 11340, while the sum is 32.

The square root of 56316173 is about 7504.4102366542. The cubic root of 56316173 is about 383.3049061885.

The spelling of 56316173 in words is "fifty-six million, three hundred sixteen thousand, one hundred seventy-three".

Divisors: 1 29 1941937 56316173