Search a number
-
+
468673812 = 223213018717
BaseRepresentation
bin11011111011110…
…110010100010100
31012122220002121100
4123323312110110
51424440030222
6114301150100
714420442645
oct3373662424
91178802540
10468673812
11220610632
12110b5b330
13761375a9
144635d6cc
152b22b4ac
hex1bef6514

468673812 has 18 divisors (see below), whose sum is σ = 1184703338. Its totient is φ = 156224592.

The previous prime is 468673811. The next prime is 468673847. The reversal of 468673812 is 218376864.

It can be written as a sum of positive squares in only one way, i.e., 373494276 + 95179536 = 19326^2 + 9756^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4686738122 = 439310284109222688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468673811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6509323 + ... + 6509394.

Almost surely, 2468673812 is an apocalyptic number.

It is an amenable number.

468673812 is an abundant number, since it is smaller than the sum of its proper divisors (716029526).

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

468673812 is a wasteful number, since it uses less digits than its factorization.

468673812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018727 (or 13018722 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 468673812 is about 21648.8755366185. The cubic root of 468673812 is about 776.7660381939.

The spelling of 468673812 in words is "four hundred sixty-eight million, six hundred seventy-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 13018717 26037434 39056151 52074868 78112302 117168453 156224604 234336906 468673812