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768469998 = 23128078333
BaseRepresentation
bin101101110011011…
…110101111101110
31222120000022122210
4231303132233232
53033212014443
6204130551250
725020613212
oct5563365756
91876008583
10768469998
1136486597a
12195438526
13c329369a
14740bc942
15476e9c33
hex2dcdebee

768469998 has 8 divisors (see below), whose sum is σ = 1536940008. Its totient is φ = 256156664.

The previous prime is 768469993. The next prime is 768470047. The reversal of 768469998 is 899964867.

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

768469998 is an admirable number.

It is a super-2 number, since 2×7684699982 = 1181092275652240008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768469993) 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, 64039161 + ... + 64039172.

It is an arithmetic number, because the mean of its divisors is an integer number (192117501).

Almost surely, 2768469998 is an apocalyptic number.

768469998 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.

768469998 is a wasteful number, since it uses less digits than its factorization.

768469998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128078338.

The product of its digits is 47029248, while the sum is 66.

The square root of 768469998 is about 27721.2914201341. The cubic root of 768469998 is about 915.9581661577.

The spelling of 768469998 in words is "seven hundred sixty-eight million, four hundred sixty-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 128078333 256156666 384234999 768469998