Base | Representation |
---|---|
bin | 1111010000001… |
… | …01001000011100 |
3 | 22220202101200121 |
4 | 13220011020130 |
5 | 230223303132 |
6 | 20410204324 |
7 | 3112351114 |
oct | 750051034 |
9 | 286671617 |
10 | 127947292 |
11 | 6624a770 |
12 | 36a236a4 |
13 | 2067a375 |
14 | 12dc8044 |
15 | b375497 |
hex | 7a0521c |
127947292 has 48 divisors (see below), whose sum is σ = 265466880. Its totient is φ = 53308800.
The previous prime is 127947289. The next prime is 127947299. The reversal of 127947292 is 292749721.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127947299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23448 + ... + 28384.
It is an arithmetic number, because the mean of its divisors is an integer number (5530560).
Almost surely, 2127947292 is an apocalyptic number.
It is an amenable number.
127947292 is an abundant number, since it is smaller than the sum of its proper divisors (137519588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127947292 is a wasteful number, since it uses less digits than its factorization.
127947292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5002 (or 5000 counting only the distinct ones).
The product of its digits is 127008, while the sum is 43.
The square root of 127947292 is about 11311.3788726220. The cubic root of 127947292 is about 503.8992355455.
The spelling of 127947292 in words is "one hundred twenty-seven million, nine hundred forty-seven thousand, two hundred ninety-two".
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