Base | Representation |
---|---|
bin | 101001000110111… |
… | …010101101100001 |
3 | 1210001202100000010 |
4 | 221012322231201 |
5 | 2403024213301 |
6 | 152234115133 |
7 | 23043114351 |
oct | 5106725541 |
9 | 1701670003 |
10 | 689679201 |
11 | 324340212 |
12 | 172b7baa9 |
13 | acb67803 |
14 | 6784cb61 |
15 | 408345d6 |
hex | 291bab61 |
689679201 has 8 divisors (see below), whose sum is σ = 920129920. Its totient is φ = 459507312.
The previous prime is 689679197. The next prime is 689679229. The reversal of 689679201 is 102976986.
689679201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 689679201 - 22 = 689679197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (689679241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63865 + ... + 73878.
It is an arithmetic number, because the mean of its divisors is an integer number (115016240).
Almost surely, 2689679201 is an apocalyptic number.
It is an amenable number.
689679201 is a deficient number, since it is larger than the sum of its proper divisors (230450719).
689679201 is a wasteful number, since it uses less digits than its factorization.
689679201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139415.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 689679201 is about 26261.7440586112. The cubic root of 689679201 is about 883.5186261662.
The spelling of 689679201 in words is "six hundred eighty-nine million, six hundred seventy-nine thousand, two hundred one".
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