Base | Representation |
---|---|
bin | 1111010011110… |
… | …10000011011010 |
3 | 22221122201122000 |
4 | 13221322003122 |
5 | 230334114302 |
6 | 20424341430 |
7 | 3116414262 |
oct | 751720332 |
9 | 287581560 |
10 | 128426202 |
11 | 66547563 |
12 | 37014876 |
13 | 207b7348 |
14 | 130b07a2 |
15 | b41c31c |
hex | 7a7a0da |
128426202 has 16 divisors (see below), whose sum is σ = 285391680. Its totient is φ = 42808716.
The previous prime is 128426201. The next prime is 128426209. The reversal of 128426202 is 202624821.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (128426201) 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, 1189078 + ... + 1189185.
It is an arithmetic number, because the mean of its divisors is an integer number (17836980).
Almost surely, 2128426202 is an apocalyptic number.
128426202 is an abundant number, since it is smaller than the sum of its proper divisors (156965478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128426202 is a wasteful number, since it uses less digits than its factorization.
128426202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2378274 (or 2378268 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 128426202 is about 11332.5284910297. The cubic root of 128426202 is about 504.5271553493.
It can be divided in two parts, 12842 and 6202, that added together give a square (19044 = 1382).
The spelling of 128426202 in words is "one hundred twenty-eight million, four hundred twenty-six thousand, two hundred two".
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