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768069564 = 223411561117
BaseRepresentation
bin101101110001111…
…100111110111100
31222112020222100220
4231301330332330
53033111211224
6204114221340
725014324603
oct5561747674
91875228326
10768069564
11364612039
12195284850
13c3183342
1474016a3a
154766b279
hex2dc7cfbc

768069564 has 24 divisors (see below), whose sum is σ = 1835874768. Its totient is φ = 249778560.

The previous prime is 768069559. The next prime is 768069583. The reversal of 768069564 is 465960867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780067 + ... + 781050.

It is an arithmetic number, because the mean of its divisors is an integer number (76494782).

Almost surely, 2768069564 is an apocalyptic number.

It is an amenable number.

768069564 is an abundant number, since it is smaller than the sum of its proper divisors (1067805204).

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

768069564 is a wasteful number, since it uses less digits than its factorization.

768069564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561165 (or 1561163 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 768069564 is about 27714.0679799989. The cubic root of 768069564 is about 915.7990428265.

The spelling of 768069564 in words is "seven hundred sixty-eight million, sixty-nine thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 1561117 3122234 4683351 6244468 9366702 18733404 64005797 128011594 192017391 256023188 384034782 768069564