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1000806 = 23198779
BaseRepresentation
bin11110100010101100110
31212211211220
43310111212
5224011211
633241210
711335542
oct3642546
91784756
101000806
11623a14
12403206
132906c1
141c0a22
1514b806
hexf4566

1000806 has 16 divisors (see below), whose sum is σ = 2107200. Its totient is φ = 316008.

The previous prime is 1000793. The next prime is 1000829. The reversal of 1000806 is 6080001.

It is a super-2 number, since 2×10008062 = 2003225299272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4276 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (131700).

21000806 is an apocalyptic number.

1000806 is an abundant number, since it is smaller than the sum of its proper divisors (1106394).

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

1000806 is a wasteful number, since it uses less digits than its factorization.

1000806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1000806 is about 1000.4029188282. The cubic root of 1000806 is about 100.0268594517.

Adding to 1000806 its reverse (6080001), we get a palindrome (7080807).

The spelling of 1000806 in words is "one million, eight hundred six", and thus it is an aban number.

Divisors: 1 2 3 6 19 38 57 114 8779 17558 26337 52674 166801 333602 500403 1000806