Base | Representation |
---|---|
bin | 111001101010… |
… | …1001101100100 |
3 | 2002220000111012 |
4 | 1303111031210 |
5 | 30214432234 |
6 | 3000001352 |
7 | 514660103 |
oct | 163251544 |
9 | 62800435 |
10 | 30233444 |
11 | 1607a91a |
12 | a160258 |
13 | 6357317 |
14 | 403003a |
15 | 29c30ce |
hex | 1cd5364 |
30233444 has 12 divisors (see below), whose sum is σ = 52948224. Its totient is φ = 15105384.
The previous prime is 30233443. The next prime is 30233453. The reversal of 30233444 is 44433203.
It is a happy number.
It is a super-2 number, since 2×302334442 = 1828122272202272, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30233443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809 + ... + 10335.
It is an arithmetic number, because the mean of its divisors is an integer number (4412352).
Almost surely, 230233444 is an apocalyptic number.
It is an amenable number.
30233444 is a deficient number, since it is larger than the sum of its proper divisors (22714780).
30233444 is a wasteful number, since it uses less digits than its factorization.
30233444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5674 (or 5672 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 23.
The square root of 30233444 is about 5498.4947030983. The cubic root of 30233444 is about 311.5271299393.
Adding to 30233444 its reverse (44433203), we get a palindrome (74666647).
The spelling of 30233444 in words is "thirty million, two hundred thirty-three thousand, four hundred forty-four".
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