Base | Representation |
---|---|
bin | 10000100101111101… |
… | …11110110100111101 |
3 | 211222211210101002202 |
4 | 20102332332310331 |
5 | 121221024402444 |
6 | 4031550401245 |
7 | 433521305654 |
oct | 102276766475 |
9 | 24884711082 |
10 | 8908434749 |
11 | 3861640975 |
12 | 1887500225 |
13 | abc800a86 |
14 | 6071bc19b |
15 | 37214134e |
hex | 212fbed3d |
8908434749 has 8 divisors (see below), whose sum is σ = 8980318200. Its totient is φ = 8836816896.
The previous prime is 8908434739. The next prime is 8908434761. The reversal of 8908434749 is 9474348098.
It can be written as a sum of positive squares in 4 ways, for example, as 3266922649 + 5641512100 = 57157^2 + 75110^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8908434749 - 212 = 8908430653 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8908434694 and 8908434703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8908434709) 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, 1229 + ... + 133485.
It is an arithmetic number, because the mean of its divisors is an integer number (1122539775).
Almost surely, 28908434749 is an apocalyptic number.
It is an amenable number.
8908434749 is a deficient number, since it is larger than the sum of its proper divisors (71883451).
8908434749 is a wasteful number, since it uses less digits than its factorization.
8908434749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132799.
The product of its (nonzero) digits is 6967296, while the sum is 56.
The square root of 8908434749 is about 94384.5048140848. The cubic root of 8908434749 is about 2073.0055640614.
The spelling of 8908434749 in words is "eight billion, nine hundred eight million, four hundred thirty-four thousand, seven hundred forty-nine".
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