Base | Representation |
---|---|
bin | 11010010110111… |
… | …100111001100110 |
3 | 1010211010022121012 |
4 | 122112330321212 |
5 | 1401202133410 |
6 | 111514222222 |
7 | 13646562320 |
oct | 3226747146 |
9 | 1124108535 |
10 | 442224230 |
11 | 207695678 |
12 | 104124972 |
13 | 70806656 |
14 | 42a36610 |
15 | 28c54605 |
hex | 1a5bce66 |
442224230 has 32 divisors (see below), whose sum is σ = 963233856. Its totient is φ = 142700544.
The previous prime is 442224173. The next prime is 442224239. The reversal of 442224230 is 32422244.
It is a junction number, because it is equal to n+sod(n) for n = 442224196 and 442224205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442224239) by changing a digit.
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, 184619 + ... + 186998.
It is an arithmetic number, because the mean of its divisors is an integer number (30101058).
Almost surely, 2442224230 is an apocalyptic number.
442224230 is an abundant number, since it is smaller than the sum of its proper divisors (521009626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
442224230 is a wasteful number, since it uses less digits than its factorization.
442224230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371648.
The product of its (nonzero) digits is 3072, while the sum is 23.
The square root of 442224230 is about 21029.1281321885. The cubic root of 442224230 is about 761.8699509164.
Adding to 442224230 its reverse (32422244), we get a palindrome (474646474).
The spelling of 442224230 in words is "four hundred forty-two million, two hundred twenty-four thousand, two hundred thirty".
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