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685067076 = 2232184710303
BaseRepresentation
bin101000110101010…
…100101101000100
31202202002000100200
4220311110231010
52400334121301
6151551210500
722655655051
oct5065245504
91682060320
10685067076
11321780041
12171516a30
13abc11445
1466dac028
1540222c86
hex28d54b44

685067076 has 36 divisors (see below), whose sum is σ = 1732803072. Its totient is φ = 228209904.

The previous prime is 685067069. The next prime is 685067129. The reversal of 685067076 is 670760586.

685067076 is a `hidden beast` number, since 6 + 8 + 506 + 70 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 61341 + ... + 71643.

Almost surely, 2685067076 is an apocalyptic number.

It is an amenable number.

685067076 is an abundant number, since it is smaller than the sum of its proper divisors (1047735996).

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

685067076 is a wasteful number, since it uses less digits than its factorization.

685067076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 685067076 is about 26173.7860463480. The cubic root of 685067076 is about 881.5447540350.

The spelling of 685067076 in words is "six hundred eighty-five million, sixty-seven thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1847 3694 5541 7388 10303 11082 16623 20606 22164 30909 33246 41212 61818 66492 92727 123636 185454 370908 19029641 38059282 57088923 76118564 114177846 171266769 228355692 342533538 685067076