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768863 = 2393217
BaseRepresentation
bin10111011101101011111
31110001200102
42323231133
5144100423
624251315
76351404
oct2735537
91401612
10768863
11485727
12310b3b
1320bc64
141602ab
15102c28
hexbbb5f

768863 has 4 divisors (see below), whose sum is σ = 772320. Its totient is φ = 765408.

The previous prime is 768857. The next prime is 768869. The reversal of 768863 is 368867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368867 = 616047.

It is an interprime number because it is at equal distance from previous prime (768857) and next prime (768869).

It is a cyclic number.

It is not a de Polignac number, because 768863 - 26 = 768799 is a prime.

It is a Duffinian number.

Its product of digits (48384) is a multiple of the sum of its prime divisors (3456).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768869) 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, 1370 + ... + 1847.

It is an arithmetic number, because the mean of its divisors is an integer number (193080).

2768863 is an apocalyptic number.

768863 is a deficient number, since it is larger than the sum of its proper divisors (3457).

768863 is a wasteful number, since it uses less digits than its factorization.

768863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its digits is 48384, while the sum is 38.

The square root of 768863 is about 876.8483335218. The cubic root of 768863 is about 91.6114282443.

The spelling of 768863 in words is "seven hundred sixty-eight thousand, eight hundred sixty-three".

Divisors: 1 239 3217 768863