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56545349 = 7171989281
BaseRepresentation
bin1101011110110…
…1000001000101
310221101210122012
43113231001011
5103433422344
65335544005
71254425150
oct327550105
9127353565
1056545349
1129a113a3
1216b2b005
13b93a6b3
14771cc97
154e6e29e
hex35ed045

56545349 has 32 divisors (see below), whose sum is σ = 73094400. Its totient is φ = 42577920.

The previous prime is 56545337. The next prime is 56545373. The reversal of 56545349 is 94354565.

56545349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-56545349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545399) 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 31 ways as a sum of consecutive naturals, for example, 201089 + ... + 201369.

It is an arithmetic number, because the mean of its divisors is an integer number (2284200).

Almost surely, 256545349 is an apocalyptic number.

It is an amenable number.

56545349 is a deficient number, since it is larger than the sum of its proper divisors (16549051).

56545349 is a wasteful number, since it uses less digits than its factorization.

56545349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 324000, while the sum is 41.

The square root of 56545349 is about 7519.6641547346. The cubic root of 56545349 is about 383.8241495354.

The spelling of 56545349 in words is "fifty-six million, five hundred forty-five thousand, three hundred forty-nine".

Divisors: 1 7 17 19 89 119 133 281 323 623 1513 1691 1967 2261 4777 5339 10591 11837 25009 28747 33439 37373 90763 175063 201229 425153 475171 635341 2976071 3326197 8077907 56545349