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127108268 = 2274539581
BaseRepresentation
bin1111001001110…
…00010010101100
322212011202202122
413210320102230
5230014431033
620340212112
73102255020
oct744702254
9285152678
10127108268
1165827361
123669a038
13204454c1
1412c4a380
15b25ba98
hex79384ac

127108268 has 12 divisors (see below), whose sum is σ = 254216592. Its totient is φ = 54474960.

The previous prime is 127108253. The next prime is 127108273. The reversal of 127108268 is 862801721.

127108268 is an admirable 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, 2269763 + ... + 2269818.

It is an arithmetic number, because the mean of its divisors is an integer number (21184716).

Almost surely, 2127108268 is an apocalyptic number.

It is an amenable number.

127108268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127108268 is a wasteful number, since it uses less digits than its factorization.

127108268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539592 (or 4539590 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 127108268 is about 11274.2302619735. The cubic root of 127108268 is about 502.7953667255.

Adding to 127108268 its reverse (862801721), we get a palindrome (989909989).

The spelling of 127108268 in words is "one hundred twenty-seven million, one hundred eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 4539581 9079162 18158324 31777067 63554134 127108268