Base | Representation |
---|---|
bin | 11100111100000… |
… | …01100101010110 |
3 | 121220210001220112 |
4 | 32132001211112 |
5 | 444121024310 |
6 | 40031003022 |
7 | 6005233166 |
oct | 1636014526 |
9 | 556701815 |
10 | 242751830 |
11 | 115033052 |
12 | 69369472 |
13 | 3b3a5549 |
14 | 243505a6 |
15 | 164a1705 |
hex | e781956 |
242751830 has 16 divisors (see below), whose sum is σ = 439739280. Its totient is φ = 96481632.
The previous prime is 242751799. The next prime is 242751841. The reversal of 242751830 is 38157242.
242751830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75740 + ... + 78879.
It is an arithmetic number, because the mean of its divisors is an integer number (27483705).
Almost surely, 2242751830 is an apocalyptic number.
242751830 is a deficient number, since it is larger than the sum of its proper divisors (196987450).
242751830 is a wasteful number, since it uses less digits than its factorization.
242751830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154783.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 242751830 is about 15580.4951782670. The cubic root of 242751830 is about 623.8126406462.
The spelling of 242751830 in words is "two hundred forty-two million, seven hundred fifty-one thousand, eight hundred thirty".
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