Base | Representation |
---|---|
bin | 1111010100000… |
… | …11110110100110 |
3 | 22221201202200200 |
4 | 13222003312212 |
5 | 230341410332 |
6 | 20425251330 |
7 | 3116642304 |
oct | 752036646 |
9 | 287652620 |
10 | 128466342 |
11 | 66574734 |
12 | 37033b46 |
13 | 207cc6b4 |
14 | 130c1274 |
15 | b42917c |
hex | 7a83da6 |
128466342 has 24 divisors (see below), whose sum is σ = 280540416. Its totient is φ = 42484176.
The previous prime is 128466323. The next prime is 128466343. The reversal of 128466342 is 243664821.
128466342 is a `hidden beast` number, since 12 + 8 + 4 + 6 + 634 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 128466297 and 128466306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128466343) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25813 + ... + 30384.
It is an arithmetic number, because the mean of its divisors is an integer number (11689184).
Almost surely, 2128466342 is an apocalyptic number.
128466342 is an abundant number, since it is smaller than the sum of its proper divisors (152074074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128466342 is a wasteful number, since it uses less digits than its factorization.
128466342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56332 (or 56329 counting only the distinct ones).
The product of its digits is 55296, while the sum is 36.
The square root of 128466342 is about 11334.2993607898. The cubic root of 128466342 is about 504.5797137062.
The spelling of 128466342 in words is "one hundred twenty-eight million, four hundred sixty-six thousand, three hundred forty-two".
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