Base | Representation |
---|---|
bin | 11100111101101… |
… | …10011011111111 |
3 | 121221012001212122 |
4 | 32132312123333 |
5 | 444144441234 |
6 | 40035353155 |
7 | 6010124306 |
oct | 1636663377 |
9 | 557161778 |
10 | 242968319 |
11 | 115170770 |
12 | 694527bb |
13 | 3b44cc49 |
14 | 243a943d |
15 | 164e592e |
hex | e7b66ff |
242968319 has 8 divisors (see below), whose sum is σ = 268790400. Its totient is φ = 217768600.
The previous prime is 242968283. The next prime is 242968379. The reversal of 242968319 is 913869242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-242968319 is a prime.
It is a super-2 number, since 2×2429683192 = 118067208075371522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 242968319.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242968379) 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, 154769 + ... + 156330.
It is an arithmetic number, because the mean of its divisors is an integer number (33598800).
Almost surely, 2242968319 is an apocalyptic number.
242968319 is a deficient number, since it is larger than the sum of its proper divisors (25822081).
242968319 is a wasteful number, since it uses less digits than its factorization.
242968319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311181.
The product of its digits is 186624, while the sum is 44.
The square root of 242968319 is about 15587.4410664483. The cubic root of 242968319 is about 623.9980267511.
The spelling of 242968319 in words is "two hundred forty-two million, nine hundred sixty-eight thousand, three hundred nineteen".
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