Base | Representation |
---|---|
bin | 1100111000001… |
… | …10001110100111 |
3 | 21112021102201010 |
4 | 12130012032213 |
5 | 210123410324 |
6 | 14415233303 |
7 | 2451141612 |
oct | 634061647 |
9 | 245242633 |
10 | 108028839 |
11 | 55a85736 |
12 | 30218833 |
13 | 194c50b9 |
14 | 104c1179 |
15 | 973d829 |
hex | 67063a7 |
108028839 has 4 divisors (see below), whose sum is σ = 144038456. Its totient is φ = 72019224.
The previous prime is 108028783. The next prime is 108028849. The reversal of 108028839 is 938820801.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 108028839 - 217 = 107897767 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 108028797 and 108028806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108028849) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18004804 + ... + 18004809.
It is an arithmetic number, because the mean of its divisors is an integer number (36009614).
Almost surely, 2108028839 is an apocalyptic number.
108028839 is a deficient number, since it is larger than the sum of its proper divisors (36009617).
108028839 is an equidigital number, since it uses as much as digits as its factorization.
108028839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36009616.
The product of its (nonzero) digits is 27648, while the sum is 39.
The square root of 108028839 is about 10393.6922698337. The cubic root of 108028839 is about 476.2626998356.
The spelling of 108028839 in words is "one hundred eight million, twenty-eight thousand, eight hundred thirty-nine".
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