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56254645 = 511250929
BaseRepresentation
bin1101011010011…
…0000010110101
310220212000212101
43112212002311
5103400122040
65325422101
71252104466
oct326460265
9126760771
1056254645
1129832a47
1216a0a931
13b868295
147684d6d
154e1309a
hex35a60b5

56254645 has 4 divisors (see below), whose sum is σ = 67505580. Its totient is φ = 45003712.

The previous prime is 56254643. The next prime is 56254673. The reversal of 56254645 is 54645265.

56254645 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.

It can be written as a sum of positive squares in 2 ways, for example, as 28281124 + 27973521 = 5318^2 + 5289^2 .

It is a cyclic number.

It is not a de Polignac number, because 56254645 - 21 = 56254643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56254643) 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, 5625460 + ... + 5625469.

It is an arithmetic number, because the mean of its divisors is an integer number (16876395).

Almost surely, 256254645 is an apocalyptic number.

It is an amenable number.

56254645 is a deficient number, since it is larger than the sum of its proper divisors (11250935).

56254645 is a wasteful number, since it uses less digits than its factorization.

56254645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250934.

The product of its digits is 144000, while the sum is 37.

The square root of 56254645 is about 7500.3096602740. The cubic root of 56254645 is about 383.1652625948.

The spelling of 56254645 in words is "fifty-six million, two hundred fifty-four thousand, six hundred forty-five".

Divisors: 1 5 11250929 56254645