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2008211 = 3164781
BaseRepresentation
bin111101010010010010011
310210000202012
413222102103
51003230321
6111013135
723032562
oct7522223
93700665
102008211
111151887
1280a1ab
135540ba
143a3bd9
1529a05b
hex1ea493

2008211 has 4 divisors (see below), whose sum is σ = 2073024. Its totient is φ = 1943400.

The previous prime is 2008189. The next prime is 2008213. The reversal of 2008211 is 1128002.

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

It is a cyclic number.

It is not a de Polignac number, because 2008211 - 26 = 2008147 is a prime.

It is a super-2 number, since 2×20082112 = 8065822841042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32360 + ... + 32421.

It is an arithmetic number, because the mean of its divisors is an integer number (518256).

22008211 is an apocalyptic number.

2008211 is a deficient number, since it is larger than the sum of its proper divisors (64813).

2008211 is an equidigital number, since it uses as much as digits as its factorization.

2008211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64812.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2008211 is about 1417.1136157697. The cubic root of 2008211 is about 126.1642897648.

The spelling of 2008211 in words is "two million, eight thousand, two hundred eleven".

Divisors: 1 31 64781 2008211