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28014107 = 116738011
BaseRepresentation
bin110101011011…
…1011000011011
31221201021010112
41222313120123
524132422412
62440234535
7460054532
oct152673033
957637115
1028014107
11148a4460
12946ba4b
135a5b0c4
143a13319
1526d5722
hex1ab761b

28014107 has 8 divisors (see below), whose sum is σ = 31017792. Its totient is φ = 25086600.

The previous prime is 28014101. The next prime is 28014131. The reversal of 28014107 is 70141082.

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

It is not a de Polignac number, because 28014107 - 28 = 28013851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28014101) 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, 18269 + ... + 19742.

It is an arithmetic number, because the mean of its divisors is an integer number (3877224).

Almost surely, 228014107 is an apocalyptic number.

28014107 is a deficient number, since it is larger than the sum of its proper divisors (3003685).

28014107 is a wasteful number, since it uses less digits than its factorization.

28014107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38089.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 28014107 is about 5292.8354404799. The cubic root of 28014107 is about 303.7098852454.

Adding to 28014107 its reverse (70141082), we get a palindrome (98155189).

The spelling of 28014107 in words is "twenty-eight million, fourteen thousand, one hundred seven".

Divisors: 1 11 67 737 38011 418121 2546737 28014107