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689230095 = 35291584437
BaseRepresentation
bin101001000101001…
…101000100001111
31210000220111221120
4221011031010033
52402420330340
6152220332023
723036234121
oct5105150417
91700814846
10689230095
11324063854
121729a4013
13aca3b278
1467773211
15407964d0
hex2914d10f

689230095 has 16 divisors (see below), whose sum is σ = 1140795360. Its totient is φ = 354913664.

The previous prime is 689230079. The next prime is 689230103. The reversal of 689230095 is 590032986.

It is a cyclic number.

It is not a de Polignac number, because 689230095 - 24 = 689230079 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 791784 + ... + 792653.

It is an arithmetic number, because the mean of its divisors is an integer number (71299710).

Almost surely, 2689230095 is an apocalyptic number.

689230095 is a deficient number, since it is larger than the sum of its proper divisors (451565265).

689230095 is a wasteful number, since it uses less digits than its factorization.

689230095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584474.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 689230095 is about 26253.1920916295. The cubic root of 689230095 is about 883.3268076730.

The spelling of 689230095 in words is "six hundred eighty-nine million, two hundred thirty thousand, ninety-five".

Divisors: 1 3 5 15 29 87 145 435 1584437 4753311 7922185 23766555 45948673 137846019 229743365 689230095