Base | Representation |
---|---|
bin | 11100111111100… |
… | …00000011111100 |
3 | 121221122001122110 |
4 | 32133300003330 |
5 | 444230014343 |
6 | 40044414020 |
7 | 6012126402 |
oct | 1637600374 |
9 | 557561573 |
10 | 243204348 |
11 | 115312032 |
12 | 69547310 |
13 | 3b5034ca |
14 | 2442b472 |
15 | 16540833 |
hex | e7f00fc |
243204348 has 12 divisors (see below), whose sum is σ = 567476840. Its totient is φ = 81068112.
The previous prime is 243204347. The next prime is 243204349. The reversal of 243204348 is 843402342.
It is an interprime number because it is at equal distance from previous prime (243204347) and next prime (243204349).
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×2432043483 (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 not an unprimeable number, because it can be changed into a prime (243204341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10133503 + ... + 10133526.
Almost surely, 2243204348 is an apocalyptic number.
It is an amenable number.
243204348 is an abundant number, since it is smaller than the sum of its proper divisors (324272492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243204348 is a wasteful number, since it uses less digits than its factorization.
243204348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20267036 (or 20267034 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 30.
The square root of 243204348 is about 15595.0103558799. The cubic root of 243204348 is about 624.2000201150.
The spelling of 243204348 in words is "two hundred forty-three million, two hundred four thousand, three hundred forty-eight".
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