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5378863 = 7768409
BaseRepresentation
bin10100100001001100101111
3101010021102011
4110201030233
52334110423
6311142051
763501550
oct24411457
911107364
105378863
113044246
121974927
131164379
14a00327
15713b0d
hex52132f

5378863 has 4 divisors (see below), whose sum is σ = 6147280. Its totient is φ = 4610448.

The previous prime is 5378861. The next prime is 5378869. The reversal of 5378863 is 3688735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3688735 = 5737747.

It is a cyclic number.

It is not a de Polignac number, because 5378863 - 21 = 5378861 is a prime.

It is a Duffinian number.

5378863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5378861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384198 + ... + 384211.

It is an arithmetic number, because the mean of its divisors is an integer number (1536820).

Almost surely, 25378863 is an apocalyptic number.

5378863 is a deficient number, since it is larger than the sum of its proper divisors (768417).

5378863 is an equidigital number, since it uses as much as digits as its factorization.

5378863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768416.

The product of its digits is 120960, while the sum is 40.

The square root of 5378863 is about 2319.2375902438. The cubic root of 5378863 is about 175.2118577040.

It can be divided in two parts, 5378 and 863, that added together give a square (6241 = 792).

The spelling of 5378863 in words is "five million, three hundred seventy-eight thousand, eight hundred sixty-three".

Divisors: 1 7 768409 5378863