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768077742 = 23128012957
BaseRepresentation
bin101101110001111…
…110111110101110
31222112021101120210
4231301332332232
53033111441432
6204114323250
725014360465
oct5561767656
91875241523
10768077742
113646181a3
12195289526
13c3186c93
14740199dc
154766d8cc
hex2dc7efae

768077742 has 8 divisors (see below), whose sum is σ = 1536155496. Its totient is φ = 256025912.

The previous prime is 768077741. The next prime is 768077771. The reversal of 768077742 is 247770867.

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

768077742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 768077691 and 768077700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768077741) 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, 64006473 + ... + 64006484.

It is an arithmetic number, because the mean of its divisors is an integer number (192019437).

Almost surely, 2768077742 is an apocalyptic number.

768077742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

768077742 is a wasteful number, since it uses less digits than its factorization.

768077742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128012962.

The product of its (nonzero) digits is 921984, while the sum is 48.

The square root of 768077742 is about 27714.2155220024. The cubic root of 768077742 is about 915.8022931302.

The spelling of 768077742 in words is "seven hundred sixty-eight million, seventy-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 128012957 256025914 384038871 768077742