Base | Representation |
---|---|
bin | 10110111101101… |
… | …011001100100001 |
3 | 222211221120020100 |
4 | 112331223030201 |
5 | 1242112011330 |
6 | 102121333013 |
7 | 12355465563 |
oct | 2675531441 |
9 | 884846210 |
10 | 385266465 |
11 | 188522441 |
12 | a9037169 |
13 | 61a8332c |
14 | 3924b333 |
15 | 23c53060 |
hex | 16f6b321 |
385266465 has 12 divisors (see below), whose sum is σ = 667795284. Its totient is φ = 205475424.
The previous prime is 385266437. The next prime is 385266503. The reversal of 385266465 is 564662583.
385266465 is a `hidden beast` number, since 3 + 8 + 526 + 64 + 65 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 308107809 + 77158656 = 17553^2 + 8784^2 .
It is not a de Polignac number, because 385266465 - 25 = 385266433 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8561477 = 385266465 / (3 + 8 + 5 + 2 + 6 + 6 + 4 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 385266465.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4280694 + ... + 4280783.
It is an arithmetic number, because the mean of its divisors is an integer number (55649607).
Almost surely, 2385266465 is an apocalyptic number.
It is an amenable number.
385266465 is a deficient number, since it is larger than the sum of its proper divisors (282528819).
385266465 is a wasteful number, since it uses less digits than its factorization.
385266465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8561488 (or 8561485 counting only the distinct ones).
The product of its digits is 1036800, while the sum is 45.
The square root of 385266465 is about 19628.2058528027. The cubic root of 385266465 is about 727.6464295890.
The spelling of 385266465 in words is "three hundred eighty-five million, two hundred sixty-six thousand, four hundred sixty-five".
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