Base | Representation |
---|---|
bin | 111001100111… |
… | …0000001101100 |
3 | 2002211112010010 |
4 | 1303032001230 |
5 | 30213012022 |
6 | 2555213220 |
7 | 514505226 |
oct | 163160154 |
9 | 62745103 |
10 | 30204012 |
11 | 1605a7a3 |
12 | a147210 |
13 | 6346ac7 |
14 | 4023416 |
15 | 29b950c |
hex | 1cce06c |
30204012 has 24 divisors (see below), whose sum is σ = 70798336. Its totient is φ = 10021968.
The previous prime is 30203989. The next prime is 30204059. The reversal of 30204012 is 21040203.
It is a super-2 number, since 2×302040122 = 1824564681792288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968 + ... + 8319.
Almost surely, 230204012 is an apocalyptic number.
It is an amenable number.
30204012 is an abundant number, since it is smaller than the sum of its proper divisors (40594324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30204012 is a wasteful number, since it uses less digits than its factorization.
30204012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11517 (or 11515 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 30204012 is about 5495.8176825655. The cubic root of 30204012 is about 311.4260074498.
Adding to 30204012 its reverse (21040203), we get a palindrome (51244215).
The spelling of 30204012 in words is "thirty million, two hundred four thousand, twelve".
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