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768897 = 32372309
BaseRepresentation
bin10111011101110000001
31110001201200
42323232001
5144101042
624251413
76351453
oct2735601
91401650
10768897
11485758
12310b69
1320bc8c
141602d3
15102c4c
hexbbb81

768897 has 12 divisors (see below), whose sum is σ = 1141140. Its totient is φ = 498528.

The previous prime is 768881. The next prime is 768923. The reversal of 768897 is 798867.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 103041 = 816^2 + 321^2 .

It is not a de Polignac number, because 768897 - 24 = 768881 is a prime.

Its product of digits (169344) is a multiple of the sum of its prime factors (2352).

768897 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (768857) 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 11 ways as a sum of consecutive naturals, for example, 822 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (95095).

2768897 is an apocalyptic number.

It is an amenable number.

768897 is a deficient number, since it is larger than the sum of its proper divisors (372243).

768897 is a wasteful number, since it uses less digits than its factorization.

768897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2349 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 768897 is about 876.8677209249. The cubic root of 768897 is about 91.6127786117.

The spelling of 768897 in words is "seven hundred sixty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 9 37 111 333 2309 6927 20781 85433 256299 768897