Base | Representation |
---|---|
bin | 101001000110001… |
… | …101110010111010 |
3 | 1210001101222122020 |
4 | 221012031302322 |
5 | 2403002321401 |
6 | 152230135310 |
7 | 23041420110 |
oct | 5106156272 |
9 | 1701358566 |
10 | 689495226 |
11 | 324224a72 |
12 | 172ab1536 |
13 | acb01b54 |
14 | 67801ab0 |
15 | 407e9d36 |
hex | 2918dcba |
689495226 has 16 divisors (see below), whose sum is σ = 1575989184. Its totient is φ = 196998624.
The previous prime is 689495221. The next prime is 689495251. The reversal of 689495226 is 622594986.
689495226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (689495221) 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, 8208235 + ... + 8208318.
It is an arithmetic number, because the mean of its divisors is an integer number (98499324).
Almost surely, 2689495226 is an apocalyptic number.
689495226 is an abundant number, since it is smaller than the sum of its proper divisors (886493958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689495226 is a wasteful number, since it uses less digits than its factorization.
689495226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16416565.
The product of its digits is 1866240, while the sum is 51.
The square root of 689495226 is about 26258.2411063651. The cubic root of 689495226 is about 883.4400583362.
The spelling of 689495226 in words is "six hundred eighty-nine million, four hundred ninety-five thousand, two hundred twenty-six".
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