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444414213 = 3281160887
BaseRepresentation
bin11010011111010…
…011100100000101
31010222020120200200
4122133103210011
51402232223323
6112033201113
714004313155
oct3237234405
91128216620
10444414213
11208950a81
12104a00199
13710c23b9
1443046765
1529038443
hex1a7d3905

444414213 has 12 divisors (see below), whose sum is σ = 642733728. Its totient is φ = 295905960.

The previous prime is 444414209. The next prime is 444414227. The reversal of 444414213 is 312414444.

444414213 is a `hidden beast` number, since 4 + 4 + 441 + 4 + 213 = 666.

It is not a de Polignac number, because 444414213 - 22 = 444414209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444414413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23145 + ... + 37742.

It is an arithmetic number, because the mean of its divisors is an integer number (53561144).

Almost surely, 2444414213 is an apocalyptic number.

It is an amenable number.

444414213 is a deficient number, since it is larger than the sum of its proper divisors (198319515).

444414213 is a wasteful number, since it uses less digits than its factorization.

444414213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61704 (or 61701 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 444414213 is about 21081.1340539355. The cubic root of 444414213 is about 763.1255247940.

Adding to 444414213 its reverse (312414444), we get a palindrome (756828657).

The spelling of 444414213 in words is "four hundred forty-four million, four hundred fourteen thousand, two hundred thirteen".

Divisors: 1 3 9 811 2433 7299 60887 182661 547983 49379357 148138071 444414213