Base | Representation |
---|---|
bin | 111001110101… |
… | …0101000110011 |
3 | 2010001110212112 |
4 | 1303222220303 |
5 | 30230234303 |
6 | 3001515535 |
7 | 515504003 |
oct | 163525063 |
9 | 63043775 |
10 | 30321203 |
11 | 1612a850 |
12 | a1a2bab |
13 | 6388253 |
14 | 4054003 |
15 | 29de0d8 |
hex | 1ceaa33 |
30321203 has 8 divisors (see below), whose sum is σ = 33224880. Its totient is φ = 27442080.
The previous prime is 30321197. The next prime is 30321229. The reversal of 30321203 is 30212303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30321203 - 28 = 30320947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30321233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 8537.
It is an arithmetic number, because the mean of its divisors is an integer number (4153110).
Almost surely, 230321203 is an apocalyptic number.
30321203 is a deficient number, since it is larger than the sum of its proper divisors (2903677).
30321203 is a wasteful number, since it uses less digits than its factorization.
30321203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12277.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 30321203 is about 5506.4691954101. The cubic root of 30321203 is about 311.8282633382.
Adding to 30321203 its reverse (30212303), we get a palindrome (60533506).
Subtracting from 30321203 its reverse (30212303), we obtain a square (108900 = 3302).
The spelling of 30321203 in words is "thirty million, three hundred twenty-one thousand, two hundred three".
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