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212241 = 3263269
BaseRepresentation
bin110011110100010001
3101210010210
4303310101
523242431
64314333
71542531
oct636421
9353123
10212241
11135507
12a29a9
13757b3
14574c1
1542d46
hex33d11

212241 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 140432.

The previous prime is 212239. The next prime is 212243. The reversal of 212241 is 142212.

212241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212239) and next prime (212243).

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 212241 - 21 = 212239 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (212243) 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, 655 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2212241 is an apocalyptic number.

It is an amenable number.

212241 is a deficient number, since it is larger than the sum of its proper divisors (72879).

212241 is a wasteful number, since it uses less digits than its factorization.

212241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 32, while the sum is 12.

The square root of 212241 is about 460.6962122701. The cubic root of 212241 is about 59.6499056500.

Adding to 212241 its reverse (142212), we get a palindrome (354453).

The spelling of 212241 in words is "two hundred twelve thousand, two hundred forty-one", and thus it is an iban number.

Divisors: 1 3 263 269 789 807 70747 212241