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768702834 = 23242705713
BaseRepresentation
bin101101110100010…
…111100101110010
31222120110011001100
4231310113211302
53033241442314
6204135545230
725022603064
oct5564274562
91876404040
10768702834
11364a048a9
1219552b216
13c3345663
147413d734
1547743c09
hex2dd17972

768702834 has 12 divisors (see below), whose sum is σ = 1665522846. Its totient is φ = 256234272.

The previous prime is 768702829. The next prime is 768702853. The reversal of 768702834 is 438207867.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 453817809 + 314885025 = 21303^2 + 17745^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768702834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21352839 + ... + 21352874.

Almost surely, 2768702834 is an apocalyptic number.

768702834 is an abundant number, since it is smaller than the sum of its proper divisors (896820012).

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

768702834 is a wasteful number, since it uses less digits than its factorization.

768702834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42705721 (or 42705718 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 768702834 is about 27725.4906899770. The cubic root of 768702834 is about 916.0506644555.

The spelling of 768702834 in words is "seven hundred sixty-eight million, seven hundred two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 42705713 85411426 128117139 256234278 384351417 768702834