Search a number
-
+
212141316 = 22317678443
BaseRepresentation
bin11001010010100…
…00010100000100
3112210011220011210
430221100110010
5413302010231
633014531420
75154112542
oct1451202404
9483156153
10212141316
11a9825a02
125b066b70
1334c4870a
1420262d92
1513956a46
hexca50504

212141316 has 12 divisors (see below), whose sum is σ = 494996432. Its totient is φ = 70713768.

The previous prime is 212141297. The next prime is 212141333. The reversal of 212141316 is 613141212.

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 junction number, because it is equal to n+sod(n) for n = 212141292 and 212141301.

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, 8839210 + ... + 8839233.

Almost surely, 2212141316 is an apocalyptic number.

It is an amenable number.

212141316 is an abundant number, since it is smaller than the sum of its proper divisors (282855116).

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

212141316 is a wasteful number, since it uses less digits than its factorization.

212141316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17678450 (or 17678448 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 212141316 is about 14565.0717814915. The cubic root of 212141316 is about 596.4056552509.

Adding to 212141316 its reverse (613141212), we get a palindrome (825282528).

The spelling of 212141316 in words is "two hundred twelve million, one hundred forty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 17678443 35356886 53035329 70713772 106070658 212141316