Base | Representation |
---|---|
bin | 11010010111101… |
… | …111001100010110 |
3 | 1010211111210011211 |
4 | 122113233030112 |
5 | 1401230231410 |
6 | 111522452034 |
7 | 13651411024 |
oct | 3227571426 |
9 | 1124453154 |
10 | 442430230 |
11 | 207816420 |
12 | 10420401a |
13 | 70879348 |
14 | 42a8b714 |
15 | 28c9568a |
hex | 1a5ef316 |
442430230 has 32 divisors (see below), whose sum is σ = 875432448. Its totient is φ = 159650400.
The previous prime is 442430213. The next prime is 442430251. The reversal of 442430230 is 32034244.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942 + ... + 29761.
It is an arithmetic number, because the mean of its divisors is an integer number (27357264).
Almost surely, 2442430230 is an apocalyptic number.
442430230 is a deficient number, since it is larger than the sum of its proper divisors (433002218).
442430230 is a wasteful number, since it uses less digits than its factorization.
442430230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30852.
The product of its (nonzero) digits is 2304, while the sum is 22.
The square root of 442430230 is about 21034.0255300786. The cubic root of 442430230 is about 761.9882324244.
Adding to 442430230 its reverse (32034244), we get a palindrome (474464474).
The spelling of 442430230 in words is "four hundred forty-two million, four hundred thirty thousand, two hundred thirty".
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