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2000685 = 35133379
BaseRepresentation
bin111101000011100101101
310202122102110
413220130231
51003010220
6110514233
723001621
oct7503455
93678373
102000685
111147165
12805979
1355084b
143a1181
15297be0
hex1e872d

2000685 has 8 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 1067024.

The previous prime is 2000671. The next prime is 2000689. The reversal of 2000685 is 5860002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000685 - 25 = 2000653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66675 + ... + 66704.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

22000685 is an apocalyptic number.

It is an amenable number.

2000685 is a deficient number, since it is larger than the sum of its proper divisors (1200435).

2000685 is a wasteful number, since it uses less digits than its factorization.

2000685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133387.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2000685 is about 1414.4557257122. The cubic root of 2000685 is about 126.0064874463.

Adding to 2000685 its reverse (5860002), we get a palindrome (7860687).

The spelling of 2000685 in words is "two million, six hundred eighty-five", and thus it is an aban number.

Divisors: 1 3 5 15 133379 400137 666895 2000685