Base | Representation |
---|---|
bin | 10110110010000… |
… | …001110111101001 |
3 | 222122012110111121 |
4 | 112302001313221 |
5 | 1240321313414 |
6 | 101532055241 |
7 | 12320522251 |
oct | 2662016751 |
9 | 878173447 |
10 | 382213609 |
11 | 186827818 |
12 | a8004521 |
13 | 612548cb |
14 | 38a94961 |
15 | 2384d724 |
hex | 16c81de9 |
382213609 has 6 divisors (see below), whose sum is σ = 399554666. Its totient is φ = 365595120.
The previous prime is 382213597. The next prime is 382213621. The reversal of 382213609 is 906312283.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (382213597) and next prime (382213621).
It can be written as a sum of positive squares in only one way, i.e., 288898009 + 93315600 = 16997^2 + 9660^2 .
It is a de Polignac number, because none of the positive numbers 2k-382213609 is a prime.
It is not an unprimeable number, because it can be changed into a prime (382213639) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360732 + ... + 361789.
Almost surely, 2382213609 is an apocalyptic number.
It is an amenable number.
382213609 is a deficient number, since it is larger than the sum of its proper divisors (17341057).
382213609 is an equidigital number, since it uses as much as digits as its factorization.
382213609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722567 (or 722544 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 382213609 is about 19550.2841155826. The cubic root of 382213609 is about 725.7193709565.
The spelling of 382213609 in words is "three hundred eighty-two million, two hundred thirteen thousand, six hundred nine".
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