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219220089 = 3116643033
BaseRepresentation
bin11010001000100…
…00100001111001
3120021111112102120
431010100201321
5422110020324
633430351453
75301224424
oct1504204171
9507445376
10219220089
11102820330
12614bb589
133655673a
14211869bb
15143a4179
hexd110879

219220089 has 8 divisors (see below), whose sum is σ = 318865632. Its totient is φ = 132860640.

The previous prime is 219220073. The next prime is 219220093. The reversal of 219220089 is 980022912.

It is a happy number.

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

It is not a de Polignac number, because 219220089 - 24 = 219220073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6643033 = 219220089 / (2 + 1 + 9 + 2 + 2 + 0 + 0 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (219220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321484 + ... + 3321549.

It is an arithmetic number, because the mean of its divisors is an integer number (39858204).

Almost surely, 2219220089 is an apocalyptic number.

It is an amenable number.

219220089 is a deficient number, since it is larger than the sum of its proper divisors (99645543).

219220089 is a wasteful number, since it uses less digits than its factorization.

219220089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643047.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 219220089 is about 14806.0828378069. The cubic root of 219220089 is about 602.9668691868.

The spelling of 219220089 in words is "two hundred nineteen million, two hundred twenty thousand, eighty-nine".

Divisors: 1 3 11 33 6643033 19929099 73073363 219220089