Base | Representation |
---|---|
bin | 1100110110010… |
… | …11110110110001 |
3 | 21111211021201210 |
4 | 12123023312301 |
5 | 210043232440 |
6 | 14410150333 |
7 | 2446124550 |
oct | 633136661 |
9 | 244737653 |
10 | 107789745 |
11 | 55932038 |
12 | 301223a9 |
13 | 1944031b |
14 | 1045bd97 |
15 | 96e2a80 |
hex | 66cbdb1 |
107789745 has 32 divisors (see below), whose sum is σ = 200344320. Its totient is φ = 48464640.
The previous prime is 107789713. The next prime is 107789749. The reversal of 107789745 is 547987701.
It is not a de Polignac number, because 107789745 - 25 = 107789713 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 107789694 and 107789703.
It is not an unprimeable number, because it can be changed into a prime (107789749) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010 + ... + 14819.
It is an arithmetic number, because the mean of its divisors is an integer number (6260760).
Almost surely, 2107789745 is an apocalyptic number.
107789745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
107789745 is a deficient number, since it is larger than the sum of its proper divisors (92554575).
107789745 is a wasteful number, since it uses less digits than its factorization.
107789745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16905.
The product of its (nonzero) digits is 493920, while the sum is 48.
The square root of 107789745 is about 10382.1840187891. The cubic root of 107789745 is about 475.9110787102.
The spelling of 107789745 in words is "one hundred seven million, seven hundred eighty-nine thousand, seven hundred forty-five".
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