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128375339 = 4322913037
BaseRepresentation
bin1111010011011…
…01101000101011
322221120010212012
413221231220223
5230331002324
620423310135
73116113061
oct751555053
9287503765
10128375339
1166512324
1236bab34b
132079a151
141309a031
15b40c20e
hex7a6da2b

128375339 has 8 divisors (see below), whose sum is σ = 131944560. Its totient is φ = 124832736.

The previous prime is 128375333. The next prime is 128375341. The reversal of 128375339 is 933573821.

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

It is a cyclic number.

It is not a de Polignac number, because 128375339 - 24 = 128375323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128375296 and 128375305.

It is not an unprimeable number, because it can be changed into a prime (128375333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3329 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (16493070).

Almost surely, 2128375339 is an apocalyptic number.

128375339 is a deficient number, since it is larger than the sum of its proper divisors (3569221).

128375339 is a wasteful number, since it uses less digits than its factorization.

128375339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13309.

The product of its digits is 136080, while the sum is 41.

The square root of 128375339 is about 11330.2841535418. The cubic root of 128375339 is about 504.4605408194.

The spelling of 128375339 in words is "one hundred twenty-eight million, three hundred seventy-five thousand, three hundred thirty-nine".

Divisors: 1 43 229 9847 13037 560591 2985473 128375339