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989650211 = 11372431573
BaseRepresentation
bin111010111111001…
…101110100100011
32112222012102212112
4322333031310203
54011322301321
6242111345535
733344613404
oct7277156443
92488172775
10989650211
114686a4940
122375222ab
1312a055354
14956159ab
155bd39a5b
hex3afcdd23

989650211 has 8 divisors (see below), whose sum is σ = 1108797744. Its totient is φ = 875365920.

The previous prime is 989650199. The next prime is 989650213. The reversal of 989650211 is 112056989.

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 989650211 - 26 = 989650147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989650213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215380 + ... + 1216193.

It is an arithmetic number, because the mean of its divisors is an integer number (138599718).

Almost surely, 2989650211 is an apocalyptic number.

989650211 is a deficient number, since it is larger than the sum of its proper divisors (119147533).

989650211 is a wasteful number, since it uses less digits than its factorization.

989650211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431621.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 989650211 is about 31458.7064419375. The cubic root of 989650211 is about 996.5380994076.

The spelling of 989650211 in words is "nine hundred eighty-nine million, six hundred fifty thousand, two hundred eleven".

Divisors: 1 11 37 407 2431573 26747303 89968201 989650211