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768291330 = 235233910949
BaseRepresentation
bin101101110010110…
…011001000000010
31222112200020120110
4231302303020002
53033140310310
6204123052150
725016240262
oct5562631002
91875606513
10768291330
11364753714
12195371056
13c3230271
14740737a2
15476b1d20
hex2dcb3202

768291330 has 32 divisors (see below), whose sum is σ = 1844856000. Its totient is φ = 204771392.

The previous prime is 768291323. The next prime is 768291331. The reversal of 768291330 is 33192867.

It is not an unprimeable number, because it can be changed into a prime (768291331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64696 + ... + 75644.

It is an arithmetic number, because the mean of its divisors is an integer number (57651750).

Almost surely, 2768291330 is an apocalyptic number.

768291330 is an abundant number, since it is smaller than the sum of its proper divisors (1076564670).

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

768291330 is a wasteful number, since it uses less digits than its factorization.

768291330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 768291330 is about 27718.0686556621. The cubic root of 768291330 is about 915.8871744041.

The spelling of 768291330 in words is "seven hundred sixty-eight million, two hundred ninety-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2339 4678 7017 10949 11695 14034 21898 23390 32847 35085 54745 65694 70170 109490 164235 328470 25609711 51219422 76829133 128048555 153658266 256097110 384145665 768291330