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685094760 = 23355710069
BaseRepresentation
bin101000110101011…
…011011101101000
31202202010102100000
4220311123131220
52400341013020
6151551543000
722656131550
oct5065333550
91682112300
10685094760
11321799919
1217152aa60
13abc20c1c
1466db8160
154022b090
hex28d5b768

685094760 has 192 divisors, whose sum is σ = 2639145600. Its totient is φ = 156577536.

The previous prime is 685094743. The next prime is 685094779. The reversal of 685094760 is 67490586.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63006 + ... + 73074.

It is an arithmetic number, because the mean of its divisors is an integer number (13745550).

Almost surely, 2685094760 is an apocalyptic number.

685094760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685094760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319572800).

685094760 is an abundant number, since it is smaller than the sum of its proper divisors (1954050840).

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

685094760 is a wasteful number, since it uses less digits than its factorization.

685094760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102 (or 10086 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 685094760 is about 26174.3148907474. The cubic root of 685094760 is about 881.5566284714.

The spelling of 685094760 in words is "six hundred eighty-five million, ninety-four thousand, seven hundred sixty".