Base | Representation |
---|---|
bin | 10110111010010… |
… | …011100010011011 |
3 | 222210021200112021 |
4 | 112322103202123 |
5 | 1241400230011 |
6 | 102050355311 |
7 | 12345126346 |
oct | 2672234233 |
9 | 883250467 |
10 | 384383131 |
11 | 187a79810 |
12 | a888bb37 |
13 | 61834252 |
14 | 3909b45d |
15 | 23b2b471 |
hex | 16e9389b |
384383131 has 8 divisors (see below), whose sum is σ = 421316928. Its totient is φ = 347781000.
The previous prime is 384383119. The next prime is 384383201. The reversal of 384383131 is 131383483.
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 384383131 - 25 = 384383099 is a prime.
It is a super-2 number, since 2×3843831312 = 295500782794726322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (384383101) 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, 80485 + ... + 85126.
It is an arithmetic number, because the mean of its divisors is an integer number (52664616).
Almost surely, 2384383131 is an apocalyptic number.
384383131 is a deficient number, since it is larger than the sum of its proper divisors (36933797).
384383131 is a wasteful number, since it uses less digits than its factorization.
384383131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165833.
The product of its digits is 20736, while the sum is 34.
The square root of 384383131 is about 19605.6912910512. The cubic root of 384383131 is about 727.0898912364.
The spelling of 384383131 in words is "three hundred eighty-four million, three hundred eighty-three thousand, one hundred thirty-one".
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