Base | Representation |
---|---|
bin | 10110111001010… |
… | …011010100101001 |
3 | 222202210022201120 |
4 | 112321103110221 |
5 | 1241313320410 |
6 | 102041005453 |
7 | 12342652455 |
oct | 2671232451 |
9 | 882708646 |
10 | 384120105 |
11 | 18790a136 |
12 | a8783889 |
13 | 61771605 |
14 | 3902d665 |
15 | 23ac8570 |
hex | 16e53529 |
384120105 has 16 divisors (see below), whose sum is σ = 614883840. Its totient is φ = 204766848.
The previous prime is 384120089. The next prime is 384120119. The reversal of 384120105 is 501021483.
It is not a de Polignac number, because 384120105 - 24 = 384120089 is a prime.
It is a super-2 number, since 2×3841201052 = 295096510130422050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35976 + ... + 45414.
It is an arithmetic number, because the mean of its divisors is an integer number (38430240).
Almost surely, 2384120105 is an apocalyptic number.
It is an amenable number.
384120105 is a deficient number, since it is larger than the sum of its proper divisors (230763735).
384120105 is a wasteful number, since it uses less digits than its factorization.
384120105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12160.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 384120105 is about 19598.9822439840. The cubic root of 384120105 is about 726.9240088408.
Adding to 384120105 its reverse (501021483), we get a palindrome (885141588).
The spelling of 384120105 in words is "three hundred eighty-four million, one hundred twenty thousand, one hundred five".
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