Search a number
-
+
212146 = 2119643
BaseRepresentation
bin110011110010110010
3101210000021
4303302302
523242041
64314054
71542334
oct636262
9353007
10212146
11135430
12a292a
137573c
1457454
1542cd1
hex33cb2

212146 has 8 divisors (see below), whose sum is σ = 347184. Its totient is φ = 96420.

The previous prime is 212141. The next prime is 212161. The reversal of 212146 is 641212.

212146 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4800 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (43398).

2212146 is an apocalyptic number.

212146 is a deficient number, since it is larger than the sum of its proper divisors (135038).

212146 is a wasteful number, since it uses less digits than its factorization.

212146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656.

The product of its digits is 96, while the sum is 16.

The square root of 212146 is about 460.5930959100. The cubic root of 212146 is about 59.6410044689.

Adding to 212146 its reverse (641212), we get a palindrome (853358).

The spelling of 212146 in words is "two hundred twelve thousand, one hundred forty-six".

Divisors: 1 2 11 22 9643 19286 106073 212146