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768014605 = 51011520821
BaseRepresentation
bin101101110001101…
…111100100001101
31222112011011222101
4231301233210031
53033102431410
6204113115101
725014005431
oct5561574415
91875134871
10768014605
11364584816
12195258a91
13c3164317
14740009c1
1547659d3a
hex2dc6f90d

768014605 has 8 divisors (see below), whose sum is σ = 930743064. Its totient is φ = 608328000.

The previous prime is 768014591. The next prime is 768014633. The reversal of 768014605 is 506410867.

It can be written as a sum of positive squares in 4 ways, for example, as 497379204 + 270635401 = 22302^2 + 16451^2 .

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

It is not a de Polignac number, because 768014605 - 27 = 768014477 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 759906 + ... + 760915.

It is an arithmetic number, because the mean of its divisors is an integer number (116342883).

Almost surely, 2768014605 is an apocalyptic number.

It is an amenable number.

768014605 is a deficient number, since it is larger than the sum of its proper divisors (162728459).

768014605 is a wasteful number, since it uses less digits than its factorization.

768014605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520927.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 768014605 is about 27713.0764261206. The cubic root of 768014605 is about 915.7771990585. Note that the first 3 decimals are identical.

It can be divided in two parts, 76801 and 4605, that added together give a triangular number (81406 = T403).

The spelling of 768014605 in words is "seven hundred sixty-eight million, fourteen thousand, six hundred five".

Divisors: 1 5 101 505 1520821 7604105 153602921 768014605