Base | Representation |
---|---|
bin | 1101000010100… |
… | …01110001100001 |
3 | 21121211102112210 |
4 | 12201101301201 |
5 | 211000334344 |
6 | 14504312333 |
7 | 2465526045 |
oct | 641216141 |
9 | 247742483 |
10 | 109386849 |
11 | 56822a60 |
12 | 307726a9 |
13 | 1987c260 |
14 | 10756025 |
15 | 990adb9 |
hex | 6851c61 |
109386849 has 32 divisors (see below), whose sum is σ = 173021184. Its totient is φ = 60598080.
The previous prime is 109386839. The next prime is 109386853. The reversal of 109386849 is 948683901.
It is not a de Polignac number, because 109386849 - 224 = 92609633 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 109386798 and 109386807.
It is not an unprimeable number, because it can be changed into a prime (109386829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44712 + ... + 47094.
It is an arithmetic number, because the mean of its divisors is an integer number (5406912).
Almost surely, 2109386849 is an apocalyptic number.
It is an amenable number.
109386849 is a deficient number, since it is larger than the sum of its proper divisors (63634335).
109386849 is a wasteful number, since it uses less digits than its factorization.
109386849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2517.
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 109386849 is about 10458.8168068859. The cubic root of 109386849 is about 478.2500646479.
The spelling of 109386849 in words is "one hundred nine million, three hundred eighty-six thousand, eight hundred forty-nine".
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