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210000211 = 10311931709
BaseRepresentation
bin11001000010001…
…01100101010011
3112122011010010121
430201011211103
5412230001321
632501011111
75126654341
oct1441054523
9478133117
10210000211
11a85a32a3
125a3b3a97
1334678ca5
141dc66991
1513682441
hexc845953

210000211 has 8 divisors (see below), whose sum is σ = 212340960. Its totient is φ = 207665472.

The previous prime is 210000199. The next prime is 210000239. The reversal of 210000211 is 112000012.

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 210000211 - 211 = 209998163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000194 and 210000203.

It is not an unprimeable number, because it can be changed into a prime (210000911) 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, 122025 + ... + 123733.

It is an arithmetic number, because the mean of its divisors is an integer number (26542620).

Almost surely, 2210000211 is an apocalyptic number.

210000211 is a deficient number, since it is larger than the sum of its proper divisors (2340749).

210000211 is a wasteful number, since it uses less digits than its factorization.

210000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 210000211 is about 14491.3840263793. The cubic root of 210000211 is about 594.3923943505.

Adding to 210000211 its reverse (112000012), we get a palindrome (322000223).

The spelling of 210000211 in words is "two hundred ten million, two hundred eleven", and thus it is an aban number.

Divisors: 1 103 1193 1709 122879 176027 2038837 210000211