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128074352 = 2475572053
BaseRepresentation
bin1111010001001…
…00001001110000
322220222211222112
413220210021300
5230241334402
620413024452
73113420420
oct750441160
9286884875
10128074352
116632717a
1236a85128
13206c3153
141301c480
15b39ce52
hex7a24270

128074352 has 40 divisors (see below), whose sum is σ = 284240736. Its totient is φ = 54763776.

The previous prime is 128074351. The next prime is 128074369. The reversal of 128074352 is 253470821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128074351) by changing a digit.

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, 61358 + ... + 63410.

Almost surely, 2128074352 is an apocalyptic number.

It is an amenable number.

128074352 is an abundant number, since it is smaller than the sum of its proper divisors (156166384).

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

128074352 is a wasteful number, since it uses less digits than its factorization.

128074352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 128074352 is about 11316.9939471575. The cubic root of 128074352 is about 504.0659819553.

The spelling of 128074352 in words is "one hundred twenty-eight million, seventy-four thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 557 1114 2053 2228 3899 4106 4456 7798 8212 8912 14371 15596 16424 28742 31192 32848 57484 62384 114968 229936 1143521 2287042 4574084 8004647 9148168 16009294 18296336 32018588 64037176 128074352