Base | Representation |
---|---|
bin | 1111001111100… |
… | …00110110000000 |
3 | 22220121011200211 |
4 | 13213300312000 |
5 | 230213123232 |
6 | 20404323504 |
7 | 3111553621 |
oct | 747606600 |
9 | 286534624 |
10 | 127864192 |
11 | 661a3295 |
12 | 369a3594 |
13 | 2064b5b1 |
14 | 12da5a48 |
15 | b35aa47 |
hex | 79f0d80 |
127864192 has 32 divisors (see below), whose sum is σ = 256183200. Its totient is φ = 63567360.
The previous prime is 127864189. The next prime is 127864213. The reversal of 127864192 is 291468721.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20409 + ... + 25927.
It is an arithmetic number, because the mean of its divisors is an integer number (8005725).
Almost surely, 2127864192 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 127864192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128091600).
127864192 is an abundant number, since it is smaller than the sum of its proper divisors (128319008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127864192 is an equidigital number, since it uses as much as digits as its factorization.
127864192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5714 (or 5702 counting only the distinct ones).
The product of its digits is 48384, while the sum is 40.
The square root of 127864192 is about 11307.7049837710. The cubic root of 127864192 is about 503.7901200531.
The spelling of 127864192 in words is "one hundred twenty-seven million, eight hundred sixty-four thousand, one hundred ninety-two".
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