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768547142 = 21134933961
BaseRepresentation
bin101101110011110…
…001100101000110
31222120011020110222
4231303301211012
53033222002032
6204132344342
725021354136
oct5563614506
91876136428
10768547142
11364908930
121954750b2
13c32bc82c
14740dcac6
1547712a12
hex2dcf1946

768547142 has 8 divisors (see below), whose sum is σ = 1257622632. Its totient is φ = 349339600.

The previous prime is 768547111. The next prime is 768547147. The reversal of 768547142 is 241745867.

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

It is a junction number, because it is equal to n+sod(n) for n = 768547093 and 768547102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768547147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17466959 + ... + 17467002.

It is an arithmetic number, because the mean of its divisors is an integer number (157202829).

Almost surely, 2768547142 is an apocalyptic number.

768547142 is a deficient number, since it is larger than the sum of its proper divisors (489075490).

768547142 is a wasteful number, since it uses less digits than its factorization.

768547142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34933974.

The product of its digits is 376320, while the sum is 44.

The square root of 768547142 is about 27722.6828066838. The cubic root of 768547142 is about 915.9888150716.

The spelling of 768547142 in words is "seven hundred sixty-eight million, five hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 11 22 34933961 69867922 384273571 768547142