Base | Representation |
---|---|
bin | 11100111011011… |
… | …11100111111100 |
3 | 121220122100000000 |
4 | 32131233213330 |
5 | 444111201033 |
6 | 40025234300 |
7 | 6004505550 |
oct | 1635574774 |
9 | 556570000 |
10 | 242678268 |
11 | 114a92858 |
12 | 69332990 |
13 | 3b37ac11 |
14 | 24331860 |
15 | 16489a13 |
hex | e76f9fc |
242678268 has 108 divisors (see below), whose sum is σ = 728548912. Its totient is φ = 69284160.
The previous prime is 242678263. The next prime is 242678273. The reversal of 242678268 is 862876242.
It is an interprime number because it is at equal distance from previous prime (242678263) and next prime (242678273).
It is a tau number, because it is divible by the number of its divisors (108).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242678263) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183048 + ... + 184368.
Almost surely, 2242678268 is an apocalyptic number.
242678268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 242678268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364274456).
242678268 is an abundant number, since it is smaller than the sum of its proper divisors (485870644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242678268 is an equidigital number, since it uses as much as digits as its factorization.
242678268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1356 (or 1333 counting only the distinct ones).
The product of its digits is 516096, while the sum is 45.
The square root of 242678268 is about 15578.1342913714. The cubic root of 242678268 is about 623.7496221834.
The spelling of 242678268 in words is "two hundred forty-two million, six hundred seventy-eight thousand, two hundred sixty-eight".
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