Base | Representation |
---|---|
bin | 11000101111011… |
… | …00000000000000 |
3 | 112110111221001021 |
4 | 30113230000000 |
5 | 411112124003 |
6 | 32332115224 |
7 | 5100012412 |
oct | 1427540000 |
9 | 473457037 |
10 | 207536128 |
11 | a716aa68 |
12 | 59605b14 |
13 | 33cc5557 |
14 | 1d7c49b2 |
15 | 133472bd |
hex | c5ec000 |
207536128 has 60 divisors (see below), whose sum is σ = 424660320. Its totient is φ = 101384192.
The previous prime is 207536123. The next prime is 207536143. The reversal of 207536128 is 821635702.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 207536093 and 207536102.
It is not an unprimeable number, because it can be changed into a prime (207536123) 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, 868233 + ... + 868471.
It is an arithmetic number, because the mean of its divisors is an integer number (7077672).
Almost surely, 2207536128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 207536128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212330160).
207536128 is an abundant number, since it is smaller than the sum of its proper divisors (217124192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207536128 is an frugal number, since it uses more digits than its factorization.
207536128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320 (or 294 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 207536128 is about 14406.1142574950. The cubic root of 207536128 is about 592.0584310478.
The spelling of 207536128 in words is "two hundred seven million, five hundred thirty-six thousand, one hundred twenty-eight".
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