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768448849 = 7178961363
BaseRepresentation
bin101101110011011…
…001100101010001
31222112222020122111
4231303121211101
53033210330344
6204130305321
725020464440
oct5563314521
91875866574
10768448849
11364850aa3
12195428241
13c3286b7c
14740b4d57
15476e3834
hex2dcd9951

768448849 has 8 divisors (see below), whose sum is σ = 878732480. Its totient is φ = 658291536.

The previous prime is 768448847. The next prime is 768448853. The reversal of 768448849 is 948844867.

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

It is not a de Polignac number, because 768448849 - 21 = 768448847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768448793 and 768448802.

It is not an unprimeable number, because it can be changed into a prime (768448847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159 + ... + 43204.

It is an arithmetic number, because the mean of its divisors is an integer number (109841560).

Almost surely, 2768448849 is an apocalyptic number.

It is an amenable number.

768448849 is a deficient number, since it is larger than the sum of its proper divisors (110283631).

768448849 is a wasteful number, since it uses less digits than its factorization.

768448849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63159.

The product of its digits is 12386304, while the sum is 58.

The square root of 768448849 is about 27720.9099598119. The cubic root of 768448849 is about 915.9497634107.

The spelling of 768448849 in words is "seven hundred sixty-eight million, four hundred forty-eight thousand, eight hundred forty-nine".

Divisors: 1 7 1789 12523 61363 429541 109778407 768448849