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768243 = 3736583
BaseRepresentation
bin10111011100011110011
31110000211110
42323203303
5144040433
624244403
76346530
oct2734363
91400743
10768243
11485213
12310703
1320b8a8
1415dd87
15102963
hexbb8f3

768243 has 8 divisors (see below), whose sum is σ = 1170688. Its totient is φ = 438984.

The previous prime is 768241. The next prime is 768259. The reversal of 768243 is 342867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768243 - 21 = 768241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768243.

It is not an unprimeable number, because it can be changed into a prime (768241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18271 + ... + 18312.

It is an arithmetic number, because the mean of its divisors is an integer number (146336).

2768243 is an apocalyptic number.

768243 is a deficient number, since it is larger than the sum of its proper divisors (402445).

768243 is a wasteful number, since it uses less digits than its factorization.

768243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36593.

The product of its digits is 8064, while the sum is 30.

The square root of 768243 is about 876.4947233155. The cubic root of 768243 is about 91.5867969122.

It can be divided in two parts, 768 and 243, that multiplied together give a square (186624 = 4322).

The spelling of 768243 in words is "seven hundred sixty-eight thousand, two hundred forty-three".

Divisors: 1 3 7 21 36583 109749 256081 768243