Base | Representation |
---|---|
bin | 11100110111000… |
… | …11101100011011 |
3 | 121212120012210010 |
4 | 32123203230123 |
5 | 443434330430 |
6 | 40005053003 |
7 | 5666600550 |
oct | 1633435433 |
9 | 555505703 |
10 | 242105115 |
11 | 11473117a |
12 | 690b7163 |
13 | 3b20a085 |
14 | 24222a27 |
15 | 163c4cb0 |
hex | e6e3b1b |
242105115 has 16 divisors (see below), whose sum is σ = 442706688. Its totient is φ = 110676576.
The previous prime is 242105089. The next prime is 242105119. The reversal of 242105115 is 511501242.
It is not a de Polignac number, because 242105115 - 210 = 242104091 is a prime.
It is a super-2 number, since 2×2421051152 = 117229773418326450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 242105091 and 242105100.
It is not an unprimeable number, because it can be changed into a prime (242105119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152777 + ... + 1152986.
It is an arithmetic number, because the mean of its divisors is an integer number (27669168).
Almost surely, 2242105115 is an apocalyptic number.
242105115 is a deficient number, since it is larger than the sum of its proper divisors (200601573).
242105115 is a wasteful number, since it uses less digits than its factorization.
242105115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2305778.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 242105115 is about 15559.7273433695. The cubic root of 242105115 is about 623.2581816865.
Adding to 242105115 its reverse (511501242), we get a palindrome (753606357).
The spelling of 242105115 in words is "two hundred forty-two million, one hundred five thousand, one hundred fifteen".
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