Base | Representation |
---|---|
bin | 101001000111010… |
… | …101101000010111 |
3 | 1210001221221020220 |
4 | 221013111220113 |
5 | 2403041230323 |
6 | 152240325423 |
7 | 23044053666 |
oct | 5107255027 |
9 | 1701857226 |
10 | 689789463 |
11 | 324406040 |
12 | 173013873 |
13 | acba5a5c |
14 | 6787addd |
15 | 408570e3 |
hex | 291d5a17 |
689789463 has 24 divisors (see below), whose sum is σ = 1036787328. Its totient is φ = 404550000.
The previous prime is 689789417. The next prime is 689789479. The reversal of 689789463 is 364987986.
689789463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 689789463 - 225 = 656235031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 689789397 and 689789406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (689789063) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20838 + ... + 42588.
It is an arithmetic number, because the mean of its divisors is an integer number (43199472).
Almost surely, 2689789463 is an apocalyptic number.
689789463 is a deficient number, since it is larger than the sum of its proper divisors (346997865).
689789463 is a wasteful number, since it uses less digits than its factorization.
689789463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21827 (or 21796 counting only the distinct ones).
The product of its digits is 15676416, while the sum is 60.
The square root of 689789463 is about 26263.8432640769. The cubic root of 689789463 is about 883.5657076400.
The spelling of 689789463 in words is "six hundred eighty-nine million, seven hundred eighty-nine thousand, four hundred sixty-three".
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