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56845755 = 3251263239
BaseRepresentation
bin1101100011011…
…0010110111011
310221222001201100
43120312112323
5104023031010
65350222443
71260116031
oct330662673
9127861640
1056845755
112a0a706a
1217054a23
13ba14355
14779a551
154ecd2c0
hex36365bb

56845755 has 12 divisors (see below), whose sum is σ = 98532720. Its totient is φ = 30317712.

The previous prime is 56845741. The next prime is 56845759. The reversal of 56845755 is 55754865.

It is not a de Polignac number, because 56845755 - 216 = 56780219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1263239 = 56845755 / (5 + 6 + 8 + 4 + 5 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 56845755.

It is not an unprimeable number, because it can be changed into a prime (56845759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631575 + ... + 631664.

It is an arithmetic number, because the mean of its divisors is an integer number (8211060).

Almost surely, 256845755 is an apocalyptic number.

56845755 is a deficient number, since it is larger than the sum of its proper divisors (41686965).

56845755 is a wasteful number, since it uses less digits than its factorization.

56845755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263250 (or 1263247 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 56845755 is about 7539.6123905676. The cubic root of 56845755 is about 384.5026579745.

It can be divided in two parts, 56845 and 755, that added together give a square (57600 = 2402).

The spelling of 56845755 in words is "fifty-six million, eight hundred forty-five thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 45 1263239 3789717 6316195 11369151 18948585 56845755