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107728043 = 1914938053
BaseRepresentation
bin1100110101111…
…00110010101011
321111201011002112
412122330302223
5210034244133
614404552535
72445446633
oct632746253
9244634075
10107728043
115589a745
12300b274b
131941b207
14104436c3
1596ce648
hex66bccab

107728043 has 8 divisors (see below), whose sum is σ = 114162000. Its totient is φ = 101370528.

The previous prime is 107728039. The next prime is 107728057. The reversal of 107728043 is 340827701.

It is a happy number.

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 107728043 - 22 = 107728039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107728843) 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, 16196 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (14270250).

Almost surely, 2107728043 is an apocalyptic number.

107728043 is a deficient number, since it is larger than the sum of its proper divisors (6433957).

107728043 is a wasteful number, since it uses less digits than its factorization.

107728043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38221.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 107728043 is about 10379.2120606528. The cubic root of 107728043 is about 475.8202529078.

The spelling of 107728043 in words is "one hundred seven million, seven hundred twenty-eight thousand, forty-three".

Divisors: 1 19 149 2831 38053 723007 5669897 107728043