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128583082 = 2197326353
BaseRepresentation
bin1111010101000…
…00010110101010
322221221200211101
413222200112222
5230404124312
620431552014
73120636535
oct752402652
9287850741
10128583082
1166644411
123708b60a
1320840884
1413111a1c
15b44da57
hex7aa05aa

128583082 has 8 divisors (see below), whose sum is σ = 193854276. Its totient is φ = 63964992.

The previous prime is 128583079. The next prime is 128583101. The reversal of 128583082 is 280385821.

It can be written as a sum of positive squares in 2 ways, for example, as 125014761 + 3568321 = 11181^2 + 1889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

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 in 3 ways as a sum of consecutive naturals, for example, 162783 + ... + 163570.

Almost surely, 2128583082 is an apocalyptic number.

128583082 is a deficient number, since it is larger than the sum of its proper divisors (65271194).

128583082 is a wasteful number, since it uses less digits than its factorization.

128583082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326552.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 128583082 is about 11339.4480465321. The cubic root of 128583082 is about 504.7325080783.

The spelling of 128583082 in words is "one hundred twenty-eight million, five hundred eighty-three thousand, eighty-two".

Divisors: 1 2 197 394 326353 652706 64291541 128583082