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768428562 = 2311108710711
BaseRepresentation
bin101101110011010…
…100101000010010
31222112221012211010
4231303110220102
53033204203222
6204130031350
725020351336
oct5563245022
91875835733
10768428562
11364837830
12195418556
13c327a875
14740ab7c6
15476dc80c
hex2dcd4a12

768428562 has 32 divisors (see below), whose sum is σ = 1678270464. Its totient is φ = 232621200.

The previous prime is 768428537. The next prime is 768428569. The reversal of 768428562 is 265824867.

It is not an unprimeable number, because it can be changed into a prime (768428569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66387 + ... + 77097.

It is an arithmetic number, because the mean of its divisors is an integer number (52445952).

Almost surely, 2768428562 is an apocalyptic number.

768428562 is an abundant number, since it is smaller than the sum of its proper divisors (909841902).

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

768428562 is a wasteful number, since it uses less digits than its factorization.

768428562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814.

The product of its digits is 1290240, while the sum is 48.

The square root of 768428562 is about 27720.5440422803. The cubic root of 768428562 is about 915.9417030016.

The spelling of 768428562 in words is "seven hundred sixty-eight million, four hundred twenty-eight thousand, five hundred sixty-two".

Divisors: 1 2 3 6 11 22 33 66 1087 2174 3261 6522 10711 11957 21422 23914 32133 35871 64266 71742 117821 235642 353463 706926 11642857 23285714 34928571 69857142 128071427 256142854 384214281 768428562