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768940 = 22538447
BaseRepresentation
bin10111011101110101100
31110001210021
42323232230
5144101230
624251524
76351544
oct2735654
91401707
10768940
11485797
12310ba4
1320bcc3
14160324
15102c7a
hexbbbac

768940 has 12 divisors (see below), whose sum is σ = 1614816. Its totient is φ = 307568.

The previous prime is 768931. The next prime is 768941. The reversal of 768940 is 49867.

It is a junction number, because it is equal to n+sod(n) for n = 768896 and 768905.

It is not an unprimeable number, because it can be changed into a prime (768941) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19204 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (134568).

2768940 is an apocalyptic number.

It is an amenable number.

768940 is an abundant number, since it is smaller than the sum of its proper divisors (845876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768940 is a wasteful number, since it uses less digits than its factorization.

768940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38456 (or 38454 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 768940 is about 876.8922396737. The cubic root of 768940 is about 91.6144863723.

The spelling of 768940 in words is "seven hundred sixty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 38447 76894 153788 192235 384470 768940