Base | Representation |
---|---|
bin | 11100111100000… |
… | …01011100111100 |
3 | 121220210001011121 |
4 | 32132001130330 |
5 | 444121020132 |
6 | 40031000324 |
7 | 6005231500 |
oct | 1636013474 |
9 | 556701147 |
10 | 242751292 |
11 | 115032703 |
12 | 693690a4 |
13 | 3b3a5224 |
14 | 24350300 |
15 | 164a1497 |
hex | e78173c |
242751292 has 36 divisors (see below), whose sum is σ = 515667600. Its totient is φ = 99511104.
The previous prime is 242751209. The next prime is 242751293. The reversal of 242751292 is 292157242.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242751293) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22417 + ... + 31432.
It is an arithmetic number, because the mean of its divisors is an integer number (14324100).
Almost surely, 2242751292 is an apocalyptic number.
It is an amenable number.
242751292 is an abundant number, since it is smaller than the sum of its proper divisors (272916308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242751292 is a wasteful number, since it uses less digits than its factorization.
242751292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53890 (or 53881 counting only the distinct ones).
The product of its digits is 20160, while the sum is 34.
The square root of 242751292 is about 15580.4779130808. The cubic root of 242751292 is about 623.8121798032.
The spelling of 242751292 in words is "two hundred forty-two million, seven hundred fifty-one thousand, two hundred ninety-two".
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