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216384041 = 1743296011
BaseRepresentation
bin11001110010111…
…00001000101001
3120002011110002202
430321130020221
5420343242131
633245505545
75235143156
oct1471341051
9502143082
10216384041
11101163595
12605722b5
1335aa28c3
1420a4922d
1513ee3bcb
hexce5c229

216384041 has 8 divisors (see below), whose sum is σ = 234441504. Its totient is φ = 198918720.

The previous prime is 216384037. The next prime is 216384083. The reversal of 216384041 is 140483612.

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

It is a cyclic number.

It is not a de Polignac number, because 216384041 - 22 = 216384037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216383995 and 216384013.

It is not an unprimeable number, because it can be changed into a prime (216384241) 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, 147275 + ... + 148736.

It is an arithmetic number, because the mean of its divisors is an integer number (29305188).

Almost surely, 2216384041 is an apocalyptic number.

It is an amenable number.

216384041 is a deficient number, since it is larger than the sum of its proper divisors (18057463).

216384041 is a wasteful number, since it uses less digits than its factorization.

216384041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296071.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 216384041 is about 14709.9979945614. The cubic root of 216384041 is about 600.3553829819.

The spelling of 216384041 in words is "two hundred sixteen million, three hundred eighty-four thousand, forty-one".

Divisors: 1 17 43 731 296011 5032187 12728473 216384041