Base | Representation |
---|---|
bin | 111110110110010… |
… | …0100011001101110 |
3 | 12102222010221101020 |
4 | 1331230210121232 |
5 | 13304330213223 |
6 | 545131355010 |
7 | 103154543163 |
oct | 17554443156 |
9 | 5388127336 |
10 | 2108835438 |
11 | 992423306 |
12 | 4aa2b2a66 |
13 | 277b92628 |
14 | 16010a06a |
15 | c52101e3 |
hex | 7db2466e |
2108835438 has 8 divisors (see below), whose sum is σ = 4217670888. Its totient is φ = 702945144.
The previous prime is 2108835413. The next prime is 2108835439. The reversal of 2108835438 is 8345388012.
It is a sphenic number, since it is the product of 3 distinct primes.
2108835438 is an admirable number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 2108835438.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2108835439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175736281 + ... + 175736292.
It is an arithmetic number, because the mean of its divisors is an integer number (527208861).
Almost surely, 22108835438 is an apocalyptic number.
2108835438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2108835438 is a wasteful number, since it uses less digits than its factorization.
2108835438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351472578.
The product of its (nonzero) digits is 184320, while the sum is 42.
The square root of 2108835438 is about 45922.0582944624. The cubic root of 2108835438 is about 1282.3726009888.
The spelling of 2108835438 in words is "two billion, one hundred eight million, eight hundred thirty-five thousand, four hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •