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768906803 = 7109843829
BaseRepresentation
bin101101110101001…
…001011000110011
31222120211111211202
4231311021120303
53033320004203
6204144201415
725024412540
oct5565113063
91876744752
10768906803
11365034075
1219560926b
13c33b7452
1474193bc7
1547784388
hex2dd49633

768906803 has 4 divisors (see below), whose sum is σ = 878750640. Its totient is φ = 659062968.

The previous prime is 768906797. The next prime is 768906811. The reversal of 768906803 is 308609867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308609867 = 319955157.

It is a cyclic number.

It is not a de Polignac number, because 768906803 - 26 = 768906739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768906823) 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, 54921908 + ... + 54921921.

It is an arithmetic number, because the mean of its divisors is an integer number (219687660).

Almost surely, 2768906803 is an apocalyptic number.

768906803 is a deficient number, since it is larger than the sum of its proper divisors (109843837).

768906803 is a wasteful number, since it uses less digits than its factorization.

768906803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109843836.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 768906803 is about 27729.1688119208. The cubic root of 768906803 is about 916.1316794703.

The spelling of 768906803 in words is "seven hundred sixty-eight million, nine hundred six thousand, eight hundred three".

Divisors: 1 7 109843829 768906803