Base | Representation |
---|---|
bin | 11100111100110… |
… | …01100001100111 |
3 | 121220222001102120 |
4 | 32132121201213 |
5 | 444132144040 |
6 | 40033041023 |
7 | 6006122121 |
oct | 1636314147 |
9 | 556861376 |
10 | 242849895 |
11 | 11509a7a2 |
12 | 693b6173 |
13 | 3b40b082 |
14 | 24378211 |
15 | 164c07d0 |
hex | e799867 |
242849895 has 16 divisors (see below), whose sum is σ = 389058432. Its totient is φ = 129353760.
The previous prime is 242849881. The next prime is 242849917. The reversal of 242849895 is 598948242.
It is not a de Polignac number, because 242849895 - 25 = 242849863 is a prime.
It is a super-3 number, since 3×2428498953 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a zygodrome in base 2.
It is a congruent number.
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, 2184 + ... + 22146.
It is an arithmetic number, because the mean of its divisors is an integer number (24316152).
Almost surely, 2242849895 is an apocalyptic number.
242849895 is a deficient number, since it is larger than the sum of its proper divisors (146208537).
242849895 is a wasteful number, since it uses less digits than its factorization.
242849895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20782.
The product of its digits is 1658880, while the sum is 51.
The square root of 242849895 is about 15583.6419042533. The cubic root of 242849895 is about 623.8966303335.
The spelling of 242849895 in words is "two hundred forty-two million, eight hundred forty-nine thousand, eight hundred ninety-five".
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