Base | Representation |
---|---|
bin | 111001010001… |
… | …1100111001110 |
3 | 2002111200210211 |
4 | 1302203213032 |
5 | 30141432121 |
6 | 2551353034 |
7 | 513152566 |
oct | 162434716 |
9 | 62450724 |
10 | 30030286 |
11 | 15a51220 |
12 | a08277a |
13 | 62b5a00 |
14 | 3db9da6 |
15 | 2982ce1 |
hex | 1ca39ce |
30030286 has 48 divisors (see below), whose sum is σ = 54785808. Its totient is φ = 12230400.
The previous prime is 30030269. The next prime is 30030307. The reversal of 30030286 is 68203003.
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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152340 + ... + 152536.
It is an arithmetic number, because the mean of its divisors is an integer number (1141371).
Almost surely, 230030286 is an apocalyptic number.
30030286 is a deficient number, since it is larger than the sum of its proper divisors (24755522).
30030286 is a wasteful number, since it uses less digits than its factorization.
30030286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30030286 is about 5479.9895985303. The cubic root of 30030286 is about 310.8277772552.
Adding to 30030286 its reverse (68203003), we get a palindrome (98233289).
The spelling of 30030286 in words is "thirty million, thirty thousand, two hundred eighty-six".
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