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216223041 = 3271265957
BaseRepresentation
bin11001110001101…
…00110101000001
3120001212021020210
430320310311001
5420323114131
633242224333
75233602606
oct1470646501
9501767223
10216223041
11101063631
12604b50a9
1335a47538
1420a066ad
1513eb1146
hexce34d41

216223041 has 8 divisors (see below), whose sum is σ = 289362304. Its totient is φ = 143616240.

The previous prime is 216223039. The next prime is 216223067. The reversal of 216223041 is 140322612.

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

It is not a de Polignac number, because 216223041 - 21 = 216223039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216222999 and 216223017.

It is not an unprimeable number, because it can be changed into a prime (216223001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132166 + ... + 133791.

It is an arithmetic number, because the mean of its divisors is an integer number (36170288).

Almost surely, 2216223041 is an apocalyptic number.

It is an amenable number.

216223041 is a deficient number, since it is larger than the sum of its proper divisors (73139263).

216223041 is a wasteful number, since it uses less digits than its factorization.

216223041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266231.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 216223041 is about 14704.5245077833. The cubic root of 216223041 is about 600.2064484014.

Adding to 216223041 its reverse (140322612), we get a palindrome (356545653).

The spelling of 216223041 in words is "two hundred sixteen million, two hundred twenty-three thousand, forty-one".

Divisors: 1 3 271 813 265957 797871 72074347 216223041