Base | Representation |
---|---|
bin | 1111001011001… |
… | …10110101111100 |
3 | 22212112110022120 |
4 | 13211212311330 |
5 | 230042031230 |
6 | 20344242540 |
7 | 3104010636 |
oct | 745466574 |
9 | 285473276 |
10 | 127298940 |
11 | 6594763a |
12 | 36770450 |
13 | 204b1222 |
14 | 12c99a56 |
15 | b298310 |
hex | 7966d7c |
127298940 has 48 divisors (see below), whose sum is σ = 358316448. Its totient is φ = 33767424.
The previous prime is 127298939. The next prime is 127298957. The reversal of 127298940 is 49892721.
It is a junction number, because it is equal to n+sod(n) for n = 127298892 and 127298901.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6084 + ... + 17076.
It is an arithmetic number, because the mean of its divisors is an integer number (7464926).
Almost surely, 2127298940 is an apocalyptic number.
127298940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127298940 is an abundant number, since it is smaller than the sum of its proper divisors (231017508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127298940 is a wasteful number, since it uses less digits than its factorization.
127298940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11198 (or 11196 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 127298940 is about 11282.6831915108. The cubic root of 127298940 is about 503.0466514574.
The spelling of 127298940 in words is "one hundred twenty-seven million, two hundred ninety-eight thousand, nine hundred forty".
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