Base | Representation |
---|---|
bin | 101001000110111… |
… | …101011000100110 |
3 | 1210001202220000122 |
4 | 221012331120212 |
5 | 2403030041100 |
6 | 152234241542 |
7 | 23043161312 |
oct | 5106753046 |
9 | 1701686018 |
10 | 689690150 |
11 | 324348466 |
12 | 172b862b2 |
13 | acb6c7a6 |
14 | 67852b42 |
15 | 40837985 |
hex | 291bd626 |
689690150 has 12 divisors (see below), whose sum is σ = 1282823772. Its totient is φ = 275876040.
The previous prime is 689690149. The next prime is 689690231. The reversal of 689690150 is 51096986.
689690150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6896852 + ... + 6896951.
It is an arithmetic number, because the mean of its divisors is an integer number (106901981).
Almost surely, 2689690150 is an apocalyptic number.
689690150 is a deficient number, since it is larger than the sum of its proper divisors (593133622).
689690150 is a wasteful number, since it uses less digits than its factorization.
689690150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13793815 (or 13793810 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 44.
The square root of 689690150 is about 26261.9525169017. The cubic root of 689690150 is about 883.5233015739.
The spelling of 689690150 in words is "six hundred eighty-nine million, six hundred ninety thousand, one hundred fifty".
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