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128099482 = 2719481577
BaseRepresentation
bin1111010001010…
…10010010011010
322221001010110021
413220222102122
5230243140412
620413341054
73113553610
oct750522232
9287033407
10128099482
1166344045
1236a9778a
1320701714
14130276b0
15b3a5607
hex7a2a49a

128099482 has 16 divisors (see below), whose sum is σ = 231157440. Its totient is φ = 52010208.

The previous prime is 128099479. The next prime is 128099483. The reversal of 128099482 is 284990821.

It is not an unprimeable number, because it can be changed into a prime (128099483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 240523 + ... + 241054.

It is an arithmetic number, because the mean of its divisors is an integer number (14447340).

Almost surely, 2128099482 is an apocalyptic number.

128099482 is a deficient number, since it is larger than the sum of its proper divisors (103057958).

128099482 is a wasteful number, since it uses less digits than its factorization.

128099482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481605.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 128099482 is about 11318.1041698687. The cubic root of 128099482 is about 504.0989480918.

The spelling of 128099482 in words is "one hundred twenty-eight million, ninety-nine thousand, four hundred eighty-two".

Divisors: 1 2 7 14 19 38 133 266 481577 963154 3371039 6742078 9149963 18299926 64049741 128099482