Base | Representation |
---|---|
bin | 10111001001000… |
… | …001011011010001 |
3 | 1000001112200200012 |
4 | 113021001123101 |
5 | 1243342203410 |
6 | 102305204305 |
7 | 12422665160 |
oct | 2711013321 |
9 | 1001480605 |
10 | 388241105 |
11 | 18a17431a |
12 | aa030695 |
13 | 62585285 |
14 | 397c33d7 |
15 | 2413e605 |
hex | 172416d1 |
388241105 has 32 divisors (see below), whose sum is σ = 541728000. Its totient is φ = 261626112.
The previous prime is 388241089. The next prime is 388241123. The reversal of 388241105 is 501142883.
It is a cyclic number.
It is not a de Polignac number, because 388241105 - 24 = 388241089 is a prime.
It is a super-2 number, since 2×3882411052 = 301462311223242050, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568094 + ... + 568776.
It is an arithmetic number, because the mean of its divisors is an integer number (16929000).
Almost surely, 2388241105 is an apocalyptic number.
388241105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
388241105 is a deficient number, since it is larger than the sum of its proper divisors (153486895).
388241105 is a wasteful number, since it uses less digits than its factorization.
388241105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 953.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 388241105 is about 19703.8347790475. The cubic root of 388241105 is about 729.5143482745.
Adding to 388241105 its reverse (501142883), we get a palindrome (889383988).
The spelling of 388241105 in words is "three hundred eighty-eight million, two hundred forty-one thousand, one hundred five".
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