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768339061 = 7231505819
BaseRepresentation
bin101101110010111…
…110110001110101
31222112202200001021
4231302332301311
53033143322221
6204124101141
725016526400
oct5562766165
91875680037
10768339061
11364786566
121953947b1
13c3248bc9
1474086d37
15476c1041
hex2dcbec75

768339061 has 12 divisors (see below), whose sum is σ = 922615680. Its totient is φ = 637330680.

The previous prime is 768339059. The next prime is 768339101. The reversal of 768339061 is 160933867.

It is not a de Polignac number, because 768339061 - 21 = 768339059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768338999 and 768339017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768339161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251391 + ... + 254428.

It is an arithmetic number, because the mean of its divisors is an integer number (76884640).

Almost surely, 2768339061 is an apocalyptic number.

It is an amenable number.

768339061 is a deficient number, since it is larger than the sum of its proper divisors (154276619).

768339061 is a wasteful number, since it uses less digits than its factorization.

768339061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505864 (or 505857 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 768339061 is about 27718.9296510525. The cubic root of 768339061 is about 915.9061408663.

The spelling of 768339061 in words is "seven hundred sixty-eight million, three hundred thirty-nine thousand, sixty-one".

Divisors: 1 7 31 49 217 1519 505819 3540733 15680389 24785131 109762723 768339061