Base | Representation |
---|---|
bin | 10111000000100… |
… | …000001011000001 |
3 | 222220100020002011 |
4 | 113000200023001 |
5 | 1242304221440 |
6 | 102145252521 |
7 | 12365004004 |
oct | 2700401301 |
9 | 886306064 |
10 | 386007745 |
11 | 188989372 |
12 | a9334141 |
13 | 61c82866 |
14 | 393a153b |
15 | 23d4c9ea |
hex | 170202c1 |
386007745 has 8 divisors (see below), whose sum is σ = 471949416. Its totient is φ = 302979456.
The previous prime is 386007731. The next prime is 386007749. The reversal of 386007745 is 547700683.
It can be written as a sum of positive squares in 4 ways, for example, as 3101121 + 382906624 = 1761^2 + 19568^2 .
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 386007745 - 29 = 386007233 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 386007698 and 386007707.
It is not an unprimeable number, because it can be changed into a prime (386007749) 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, 728052 + ... + 728581.
It is an arithmetic number, because the mean of its divisors is an integer number (58993677).
Almost surely, 2386007745 is an apocalyptic number.
It is an amenable number.
386007745 is a deficient number, since it is larger than the sum of its proper divisors (85941671).
386007745 is a wasteful number, since it uses less digits than its factorization.
386007745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1456691.
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 386007745 is about 19647.0798084601. The cubic root of 386007745 is about 728.1128117100.
The spelling of 386007745 in words is "three hundred eighty-six million, seven thousand, seven hundred forty-five".
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