Base | Representation |
---|---|
bin | 11100111100011… |
… | …11011011000000 |
3 | 121220212221122212 |
4 | 32132033123000 |
5 | 444124333022 |
6 | 40032121252 |
7 | 6005560352 |
oct | 1636173300 |
9 | 556787585 |
10 | 242808512 |
11 | 1150716a1 |
12 | 69396228 |
13 | 3b3c529b |
14 | 243670d2 |
15 | 164b33e2 |
hex | e78f6c0 |
242808512 has 28 divisors (see below), whose sum is σ = 488432856. Its totient is φ = 119738880.
The previous prime is 242808499. The next prime is 242808547. The reversal of 242808512 is 215808242.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21314 + ... + 30657.
Almost surely, 2242808512 is an apocalyptic number.
It is an amenable number.
242808512 is an abundant number, since it is smaller than the sum of its proper divisors (245624344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242808512 is an equidigital number, since it uses as much as digits as its factorization.
242808512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52056 (or 52046 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 32.
The square root of 242808512 is about 15582.3140771838. The cubic root of 242808512 is about 623.8611898118.
The spelling of 242808512 in words is "two hundred forty-two million, eight hundred eight thousand, five hundred twelve".
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