Base | Representation |
---|---|
bin | 111001110101… |
… | …0011001111110 |
3 | 2010001102120101 |
4 | 1303222121332 |
5 | 30230222004 |
6 | 3001511314 |
7 | 515501146 |
oct | 163523176 |
9 | 63042511 |
10 | 30320254 |
11 | 1612a068 |
12 | a1a253a |
13 | 63879a3 |
14 | 4053926 |
15 | 29ddba4 |
hex | 1cea67e |
30320254 has 8 divisors (see below), whose sum is σ = 47048760. Its totient is φ = 14637336.
The previous prime is 30320243. The next prime is 30320261. The reversal of 30320254 is 45202303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261324 + ... + 261439.
It is an arithmetic number, because the mean of its divisors is an integer number (5881095).
Almost surely, 230320254 is an apocalyptic number.
30320254 is a deficient number, since it is larger than the sum of its proper divisors (16728506).
30320254 is a wasteful number, since it uses less digits than its factorization.
30320254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522794.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30320254 is about 5506.3830233648. The cubic root of 30320254 is about 311.8250100799.
Adding to 30320254 its reverse (45202303), we get a palindrome (75522557).
The spelling of 30320254 in words is "thirty million, three hundred twenty thousand, two hundred fifty-four".
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