Base | Representation |
---|---|
bin | 10101000010100000110 |
3 | 1022000200212 |
4 | 2220110012 |
5 | 134030124 |
6 | 22435422 |
7 | 5600645 |
oct | 2502406 |
9 | 1260625 |
10 | 689414 |
11 | 430a70 |
12 | 292b72 |
13 | 1b1a4b |
14 | 13d35c |
15 | d940e |
hex | a8506 |
689414 has 8 divisors (see below), whose sum is σ = 1128168. Its totient is φ = 313360.
The previous prime is 689411. The next prime is 689431. The reversal of 689414 is 414986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (689411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15647 + ... + 15690.
It is an arithmetic number, because the mean of its divisors is an integer number (141021).
2689414 is an apocalyptic number.
689414 is a deficient number, since it is larger than the sum of its proper divisors (438754).
689414 is a wasteful number, since it uses less digits than its factorization.
689414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31350.
The product of its digits is 6912, while the sum is 32.
The square root of 689414 is about 830.3095808191. The cubic root of 689414 is about 88.3405365749.
The spelling of 689414 in words is "six hundred eighty-nine thousand, four hundred fourteen".
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