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689584229 = 23172317401
BaseRepresentation
bin101001000110100…
…011100001100101
31210001120111201122
4221012203201211
52403013143404
6152232103325
723042240435
oct5106434145
91701514648
10689584229
11324285924
12172b34b45
13acb33509
14678262c5
15408163be
hex291a3865

689584229 has 8 divisors (see below), whose sum is σ = 720025152. Its totient is φ = 659181600.

The previous prime is 689584211. The next prime is 689584241. The reversal of 689584229 is 922485986.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-689584229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689584729) 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, 30929 + ... + 48329.

It is an arithmetic number, because the mean of its divisors is an integer number (90003144).

Almost surely, 2689584229 is an apocalyptic number.

It is an amenable number.

689584229 is a deficient number, since it is larger than the sum of its proper divisors (30440923).

689584229 is a wasteful number, since it uses less digits than its factorization.

689584229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147.

The product of its digits is 2488320, while the sum is 53.

The square root of 689584229 is about 26259.9358148492. The cubic root of 689584229 is about 883.4780694442.

The spelling of 689584229 in words is "six hundred eighty-nine million, five hundred eighty-four thousand, two hundred twenty-nine".

Divisors: 1 23 1723 17401 39629 400223 29981923 689584229