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211141 = 7231139
BaseRepresentation
bin110011100011000101
3101201122001
4303203011
523224031
64305301
71536400
oct634305
9351561
10211141
111346a7
12a2231
1375148
1456d37
1542861
hex338c5

211141 has 12 divisors (see below), whose sum is σ = 255360. Its totient is φ = 173880.

The previous prime is 211129. The next prime is 211151. The reversal of 211141 is 141112.

Adding to 211141 its reverse (141112), we get a palindrome (352253).

It can be divided in two parts, 21114 and 1, that added together give a triangular number (21115 = T205).

211141 = 283 + 293 + ... + 343.

211141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211141 - 213 = 202949 is a prime.

It is the 460-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211151) by changing a digit.

It is a nontrivial repunit in base 459.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1450 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (21280).

2211141 is an apocalyptic number.

It is an amenable number.

211141 is a deficient number, since it is larger than the sum of its proper divisors (44219).

211141 is a wasteful number, since it uses less digits than its factorization.

211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its digits is 8, while the sum is 10.

The square root of 211141 is about 459.5008161037. The cubic root of 211141 is about 59.5466761770.

The spelling of 211141 in words is "two hundred eleven thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 7 31 49 139 217 973 1519 4309 6811 30163 211141