Base | Representation |
---|---|
bin | 10110101100101… |
… | …010011111000101 |
3 | 222112120000011000 |
4 | 112230222133011 |
5 | 1234441311414 |
6 | 101442003513 |
7 | 12302543544 |
oct | 2654523705 |
9 | 875500130 |
10 | 380807109 |
11 | 185a57021 |
12 | a7646599 |
13 | 60b81667 |
14 | 3880a15b |
15 | 23671b09 |
hex | 16b2a7c5 |
380807109 has 8 divisors (see below), whose sum is σ = 564158720. Its totient is φ = 253871388.
The previous prime is 380807099. The next prime is 380807117. The reversal of 380807109 is 901708083.
It is not a de Polignac number, because 380807109 - 29 = 380806597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380807179) 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, 7051957 + ... + 7052010.
It is an arithmetic number, because the mean of its divisors is an integer number (70519840).
Almost surely, 2380807109 is an apocalyptic number.
It is an amenable number.
380807109 is a deficient number, since it is larger than the sum of its proper divisors (183351611).
380807109 is a wasteful number, since it uses less digits than its factorization.
380807109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14103976 (or 14103970 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 380807109 is about 19514.2796177568. The cubic root of 380807109 is about 724.8280901957.
The spelling of 380807109 in words is "three hundred eighty million, eight hundred seven thousand, one hundred nine".
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