Base | Representation |
---|---|
bin | 101001001100… |
… | …101110100111 |
3 | 202022200212110 |
4 | 221030232213 |
5 | 10231100124 |
6 | 1023252103 |
7 | 160540665 |
oct | 51145647 |
9 | 22280773 |
10 | 10800039 |
11 | 6107258 |
12 | 374a033 |
13 | 2311a73 |
14 | 1611c35 |
15 | e35029 |
hex | a4cba7 |
10800039 has 4 divisors (see below), whose sum is σ = 14400056. Its totient is φ = 7200024.
The previous prime is 10800017. The next prime is 10800071. The reversal of 10800039 is 93000801.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 10800039 - 25 = 10800007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10799988 and 10800024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10800539) by changing a digit.
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, 1800004 + ... + 1800009.
It is an arithmetic number, because the mean of its divisors is an integer number (3600014).
Almost surely, 210800039 is an apocalyptic number.
10800039 is a deficient number, since it is larger than the sum of its proper divisors (3600017).
10800039 is an equidigital number, since it uses as much as digits as its factorization.
10800039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3600016.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 10800039 is about 3286.3412786867. The cubic root of 10800039 is about 221.0421559870.
The spelling of 10800039 in words is "ten million, eight hundred thousand, thirty-nine".
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