Base | Representation |
---|---|
bin | 111001100110… |
… | …1110011001010 |
3 | 2002211110211200 |
4 | 1303031303022 |
5 | 30212444312 |
6 | 2555205030 |
7 | 514502430 |
oct | 163156312 |
9 | 62743750 |
10 | 30203082 |
11 | 1605a028 |
12 | a146776 |
13 | 6346560 |
14 | 4022d50 |
15 | 29b90dc |
hex | 1ccdcca |
30203082 has 48 divisors (see below), whose sum is σ = 80545920. Its totient is φ = 7965216.
The previous prime is 30203077. The next prime is 30203099. The reversal of 30203082 is 28030203.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 7582 + ... + 10857.
It is an arithmetic number, because the mean of its divisors is an integer number (1678040).
Almost surely, 230203082 is an apocalyptic number.
30203082 is an abundant number, since it is smaller than the sum of its proper divisors (50342838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30203082 is a wasteful number, since it uses less digits than its factorization.
30203082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18467 (or 18464 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 30203082 is about 5495.7330721206. The cubic root of 30203082 is about 311.4228110846.
Adding to 30203082 its reverse (28030203), we get a palindrome (58233285).
The spelling of 30203082 in words is "thirty million, two hundred three thousand, eighty-two".
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