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6863423 = 7980489
BaseRepresentation
bin11010001011101000111111
3110220200211212
4122023220333
53224112143
6403035035
7112223660
oct32135077
913820755
106863423
113968656
12236ba7b
131563cc8
14ca9367
15908918
hex68ba3f

6863423 has 4 divisors (see below), whose sum is σ = 7843920. Its totient is φ = 5882928.

The previous prime is 6863419. The next prime is 6863443. The reversal of 6863423 is 3243686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243686 = 21621843.

It is a cyclic number.

It is not a de Polignac number, because 6863423 - 22 = 6863419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6863423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490238 + ... + 490251.

It is an arithmetic number, because the mean of its divisors is an integer number (1960980).

Almost surely, 26863423 is an apocalyptic number.

6863423 is a deficient number, since it is larger than the sum of its proper divisors (980497).

6863423 is an equidigital number, since it uses as much as digits as its factorization.

6863423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980496.

The product of its digits is 20736, while the sum is 32.

The square root of 6863423 is about 2619.8135429835. The cubic root of 6863423 is about 190.0408314831.

The spelling of 6863423 in words is "six million, eight hundred sixty-three thousand, four hundred twenty-three".

Divisors: 1 7 980489 6863423