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128083346 = 264041673
BaseRepresentation
bin1111010001001…
…10010110010010
322221000022022122
413220212112102
5230242131341
620413134242
73113455556
oct750462622
9287008278
10128083346
1166332a06
1236a8a382
13206c7281
1413021866
15b3a094b
hex7a26592

128083346 has 4 divisors (see below), whose sum is σ = 192125022. Its totient is φ = 64041672.

The previous prime is 128083337. The next prime is 128083363. The reversal of 128083346 is 643380821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 33235225 = 9739^2 + 5765^2 .

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 as a sum of consecutive naturals, namely, 32020835 + ... + 32020838.

Almost surely, 2128083346 is an apocalyptic number.

128083346 is a deficient number, since it is larger than the sum of its proper divisors (64041676).

128083346 is an equidigital number, since it uses as much as digits as its factorization.

128083346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64041675.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 128083346 is about 11317.3913071874. The cubic root of 128083346 is about 504.0777809956.

The spelling of 128083346 in words is "one hundred twenty-eight million, eighty-three thousand, three hundred forty-six".

Divisors: 1 2 64041673 128083346