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2000806 = 21000403
BaseRepresentation
bin111101000011110100110
310202122120221
413220132212
51003011211
6110514554
723002153
oct7503646
93678527
102000806
111147265
12805a5a
13550912
143a122a
15297c71
hex1e87a6

2000806 has 4 divisors (see below), whose sum is σ = 3001212. Its totient is φ = 1000402.

The previous prime is 2000767. The next prime is 2000807. The reversal of 2000806 is 6080002.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2000806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500200 + ... + 500203.

It is an arithmetic number, because the mean of its divisors is an integer number (750303).

22000806 is an apocalyptic number.

2000806 is a deficient number, since it is larger than the sum of its proper divisors (1000406).

2000806 is a wasteful number, since it uses less digits than its factorization.

2000806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000405.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2000806 is about 1414.4984977016. The cubic root of 2000806 is about 126.0090276558.

Adding to 2000806 its reverse (6080002), we get a palindrome (8080808).

The spelling of 2000806 in words is "two million, eight hundred six", and thus it is an aban number.

Divisors: 1 2 1000403 2000806