Base | Representation |
---|---|
bin | 10110111101011… |
… | …110010001000100 |
3 | 222211211212120222 |
4 | 112331132101010 |
5 | 1242103313013 |
6 | 102120243512 |
7 | 12355155311 |
oct | 2675362104 |
9 | 884755528 |
10 | 385213508 |
11 | 188496679 |
12 | a9010598 |
13 | 61a651b4 |
14 | 39235d08 |
15 | 23c42508 |
hex | 16f5e444 |
385213508 has 12 divisors (see below), whose sum is σ = 676945920. Its totient is φ = 191800392.
The previous prime is 385213501. The next prime is 385213513. The reversal of 385213508 is 805312583.
It is not an unprimeable number, because it can be changed into a prime (385213501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200516 + ... + 202427.
It is an arithmetic number, because the mean of its divisors is an integer number (56412160).
Almost surely, 2385213508 is an apocalyptic number.
It is an amenable number.
385213508 is a deficient number, since it is larger than the sum of its proper divisors (291732412).
385213508 is a wasteful number, since it uses less digits than its factorization.
385213508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403186 (or 403184 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
The square root of 385213508 is about 19626.8568038797. The cubic root of 385213508 is about 727.6130883900.
The spelling of 385213508 in words is "three hundred eighty-five million, two hundred thirteen thousand, five hundred eight".
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