Base | Representation |
---|---|
bin | 1111010111000… |
… | …00110001011010 |
3 | 22222110002202211 |
4 | 13223200301122 |
5 | 230441100223 |
6 | 20441345334 |
7 | 3123116023 |
oct | 753406132 |
9 | 288402684 |
10 | 128846938 |
11 | 66804680 |
12 | 3719824a |
13 | 209039bc |
14 | 1317dc4a |
15 | b4a1d0d |
hex | 7ae0c5a |
128846938 has 16 divisors (see below), whose sum is σ = 212778720. Its totient is φ = 58028400.
The previous prime is 128846933. The next prime is 128846953. The reversal of 128846938 is 839648821.
It is a junction number, because it is equal to n+sod(n) for n = 128846891 and 128846900.
It is not an unprimeable number, because it can be changed into a prime (128846933) 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, 24468 + ... + 29263.
It is an arithmetic number, because the mean of its divisors is an integer number (13298670).
Almost surely, 2128846938 is an apocalyptic number.
128846938 is a deficient number, since it is larger than the sum of its proper divisors (83931782).
128846938 is a wasteful number, since it uses less digits than its factorization.
128846938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53853.
The product of its digits is 663552, while the sum is 49.
The square root of 128846938 is about 11351.0765128247. The cubic root of 128846938 is about 505.0775138344.
The spelling of 128846938 in words is "one hundred twenty-eight million, eight hundred forty-six thousand, nine hundred thirty-eight".
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