Base | Representation |
---|---|
bin | 1100011000010… |
… | …00001010000110 |
3 | 21020101202001020 |
4 | 12030020022012 |
5 | 203040424223 |
6 | 14145412010 |
7 | 2400434430 |
oct | 614101206 |
9 | 236352036 |
10 | 103842438 |
11 | 536863a7 |
12 | 2a93a006 |
13 | 1868a73b |
14 | db11650 |
15 | 91b31e3 |
hex | 6308286 |
103842438 has 32 divisors (see below), whose sum is σ = 239099904. Its totient is φ = 29451072.
The previous prime is 103842433. The next prime is 103842449. The reversal of 103842438 is 834248301.
It is a junction number, because it is equal to n+sod(n) for n = 103842399 and 103842408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103842433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 14777.
It is an arithmetic number, because the mean of its divisors is an integer number (7471872).
Almost surely, 2103842438 is an apocalyptic number.
103842438 is an abundant number, since it is smaller than the sum of its proper divisors (135257466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103842438 is a wasteful number, since it uses less digits than its factorization.
103842438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18196.
The product of its (nonzero) digits is 18432, while the sum is 33.
The square root of 103842438 is about 10190.3109864223. The cubic root of 103842438 is about 470.0293296922.
The spelling of 103842438 in words is "one hundred three million, eight hundred forty-two thousand, four hundred thirty-eight".
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