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128066852 = 22233673793
BaseRepresentation
bin1111010001000…
…10010100100100
322220222110200202
413220202110210
5230241114402
620412530032
73113356514
oct750422444
9286873622
10128066852
1166321581
1236a80918
13206bc904
1413019844
15b39ab02
hex7a22524

128066852 has 24 divisors (see below), whose sum is σ = 234560256. Its totient is φ = 61066368.

The previous prime is 128066849. The next prime is 128066867. The reversal of 128066852 is 258660821.

It is a super-2 number, since 2×1280668522 = 32802237162379808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31868 + ... + 35660.

It is an arithmetic number, because the mean of its divisors is an integer number (9773344).

Almost surely, 2128066852 is an apocalyptic number.

It is an amenable number.

128066852 is a deficient number, since it is larger than the sum of its proper divisors (106493404).

128066852 is a wasteful number, since it uses less digits than its factorization.

128066852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 128066852 is about 11316.6625822280. The cubic root of 128066852 is about 504.0561424399.

The spelling of 128066852 in words is "one hundred twenty-eight million, sixty-six thousand, eight hundred fifty-two".

Divisors: 1 2 4 23 46 92 367 734 1468 3793 7586 8441 15172 16882 33764 87239 174478 348956 1392031 2784062 5568124 32016713 64033426 128066852