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128538096 = 2433497673
BaseRepresentation
bin1111010100101…
…01010111110000
322221212102010020
413222111113300
5230401204341
620431003440
73120361431
oct752252760
9287772106
10128538096
1166613635
1237069580
132082625b
14130dd488
15b440566
hex7a955f0

128538096 has 40 divisors (see below), whose sum is σ = 333051600. Its totient is φ = 42717696.

The previous prime is 128538077. The next prime is 128538103. The reversal of 128538096 is 690835821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12916 + ... + 20588.

It is an arithmetic number, because the mean of its divisors is an integer number (8326290).

Almost surely, 2128538096 is an apocalyptic number.

128538096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128538096 is an abundant number, since it is smaller than the sum of its proper divisors (204513504).

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

128538096 is a wasteful number, since it uses less digits than its factorization.

128538096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 128538096 is about 11337.4642667574. The cubic root of 128538096 is about 504.6736394082.

The spelling of 128538096 in words is "one hundred twenty-eight million, five hundred thirty-eight thousand, ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 349 698 1047 1396 2094 2792 4188 5584 7673 8376 15346 16752 23019 30692 46038 61384 92076 122768 184152 368304 2677877 5355754 8033631 10711508 16067262 21423016 32134524 42846032 64269048 128538096