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127298940 = 223519310993
BaseRepresentation
bin1111001011001…
…10110101111100
322212112110022120
413211212311330
5230042031230
620344242540
73104010636
oct745466574
9285473276
10127298940
116594763a
1236770450
13204b1222
1412c99a56
15b298310
hex7966d7c

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".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 10993 11580 21986 32979 43972 54965 65958 109930 131916 164895 219860 329790 659580 2121649 4243298 6364947 8486596 10608245 12729894 21216490 25459788 31824735 42432980 63649470 127298940