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56075243 = 78010749
BaseRepresentation
bin1101010111101…
…0001111101011
310220111220202212
43111322033223
5103323401433
65321515335
71250426450
oct325721753
9126456685
1056075243
1129720184
1216942b4b
13b804723
147639827
154dc9d48
hex357a3eb

56075243 has 4 divisors (see below), whose sum is σ = 64086000. Its totient is φ = 48064488.

The previous prime is 56075221. The next prime is 56075263. The reversal of 56075243 is 34257065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56075243 - 26 = 56075179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56075203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005368 + ... + 4005381.

It is an arithmetic number, because the mean of its divisors is an integer number (16021500).

Almost surely, 256075243 is an apocalyptic number.

56075243 is a deficient number, since it is larger than the sum of its proper divisors (8010757).

56075243 is an equidigital number, since it uses as much as digits as its factorization.

56075243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010756.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56075243 is about 7488.3404703579. The cubic root of 56075243 is about 382.7575106787.

The spelling of 56075243 in words is "fifty-six million, seventy-five thousand, two hundred forty-three".

Divisors: 1 7 8010749 56075243