Search a number
-
+
212201 = 11101191
BaseRepresentation
bin110011110011101001
3101210002022
4303303221
523242301
64314225
71542443
oct636351
9353068
10212201
11135480
12a2975
1375782
1457493
1542d1b
hex33ce9

212201 has 8 divisors (see below), whose sum is σ = 235008. Its totient is φ = 190000.

The previous prime is 212183. The next prime is 212203. The reversal of 212201 is 102212.

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 212201 - 210 = 211177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212203) 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 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (29376).

2212201 is an apocalyptic number.

It is an amenable number.

212201 is a deficient number, since it is larger than the sum of its proper divisors (22807).

212201 is a wasteful number, since it uses less digits than its factorization.

212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 212201 is about 460.6527976687. The cubic root of 212201 is about 59.6461581081.

Adding to 212201 its reverse (102212), we get a palindrome (314413).

It can be divided in two parts, 21 and 2201, that added together give a palindrome (2222).

The spelling of 212201 in words is "two hundred twelve thousand, two hundred one", and thus it is an iban number.

Divisors: 1 11 101 191 1111 2101 19291 212201