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684573068 = 221710067251
BaseRepresentation
bin101000110011011…
…100000110001100
31202201010220201002
4220303130012030
52400222314233
6151532435432
722651526564
oct5063340614
91681126632
10684573068
11321472973
12171318b78
13aba9a62a
1466cbdda4
15401766e8
hex28cdc18c

684573068 has 12 divisors (see below), whose sum is σ = 1268473752. Its totient is φ = 322152000.

The previous prime is 684573067. The next prime is 684573073. The reversal of 684573068 is 860375486.

It is not an unprimeable number, because it can be changed into a prime (684573061) 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 3 ways as a sum of consecutive naturals, for example, 5033558 + ... + 5033693.

It is an arithmetic number, because the mean of its divisors is an integer number (105706146).

Almost surely, 2684573068 is an apocalyptic number.

684573068 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

684573068 is a deficient number, since it is larger than the sum of its proper divisors (583900684).

684573068 is a wasteful number, since it uses less digits than its factorization.

684573068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067272 (or 10067270 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 684573068 is about 26164.3472687549. The cubic root of 684573068 is about 881.3328064770.

The spelling of 684573068 in words is "six hundred eighty-four million, five hundred seventy-three thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 10067251 20134502 40269004 171143267 342286534 684573068