Base | Representation |
---|---|
bin | 10110111001111… |
… | …110100011111101 |
3 | 222210010022200010 |
4 | 112321332203331 |
5 | 1241340002323 |
6 | 102044453433 |
7 | 12344321016 |
oct | 2671764375 |
9 | 883108603 |
10 | 384297213 |
11 | 187a20203 |
12 | a884a279 |
13 | 61804101 |
14 | 3907800d |
15 | 23b10c93 |
hex | 16e7e8fd |
384297213 has 8 divisors (see below), whose sum is σ = 512492128. Its totient is φ = 256150224.
The previous prime is 384297197. The next prime is 384297217. The reversal of 384297213 is 312792483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 384297213 - 24 = 384297197 is a prime.
It is the 19604-th Hogben number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (384297217) by changing a digit.
It is a nontrivial repunit in base 19603.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16206 + ... + 32112.
It is an arithmetic number, because the mean of its divisors is an integer number (64061516).
Almost surely, 2384297213 is an apocalyptic number.
It is an amenable number.
384297213 is a deficient number, since it is larger than the sum of its proper divisors (128194915).
384297213 is a wasteful number, since it uses less digits than its factorization.
384297213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23963.
The product of its digits is 72576, while the sum is 39.
The square root of 384297213 is about 19603.5000191292. The cubic root of 384297213 is about 727.0357137250.
The spelling of 384297213 in words is "three hundred eighty-four million, two hundred ninety-seven thousand, two hundred thirteen".
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