Search a number
-
+
212441412 = 22317703451
BaseRepresentation
bin11001010100110…
…01100101000100
3112210202010211110
430222121211010
5413341111122
633025205020
75156502501
oct1452314504
9483663743
10212441412
11a9a10417
125b190770
13350221a1
14203004a8
15139b590c
hexca99944

212441412 has 12 divisors (see below), whose sum is σ = 495696656. Its totient is φ = 70813800.

The previous prime is 212441393. The next prime is 212441423. The reversal of 212441412 is 214144212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8851714 + ... + 8851737.

Almost surely, 2212441412 is an apocalyptic number.

It is an amenable number.

212441412 is an abundant number, since it is smaller than the sum of its proper divisors (283255244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212441412 is a wasteful number, since it uses less digits than its factorization.

212441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703458 (or 17703456 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 212441412 is about 14575.3700467604. The cubic root of 212441412 is about 596.6867487320.

Adding to 212441412 its reverse (214144212), we get a palindrome (426585624).

The spelling of 212441412 in words is "two hundred twelve million, four hundred forty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 17703451 35406902 53110353 70813804 106220706 212441412