Base | Representation |
---|---|
bin | 111001100101… |
… | …0010111001100 |
3 | 2002210202112021 |
4 | 1303022113030 |
5 | 30212022004 |
6 | 2555015524 |
7 | 514413406 |
oct | 163122714 |
9 | 62722467 |
10 | 30189004 |
11 | 1604a49a |
12 | a13a5a4 |
13 | 6340021 |
14 | 401bb76 |
15 | 29b4d54 |
hex | 1cca5cc |
30189004 has 12 divisors (see below), whose sum is σ = 53554984. Its totient is φ = 14887584.
The previous prime is 30188969. The next prime is 30189007. The reversal of 30189004 is 40098103.
It is a super-3 number, since 3×301890043 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 30189004.
It is not an unprimeable number, because it can be changed into a prime (30189007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51402 + ... + 51985.
Almost surely, 230189004 is an apocalyptic number.
It is an amenable number.
30189004 is a deficient number, since it is larger than the sum of its proper divisors (23365980).
30189004 is a wasteful number, since it uses less digits than its factorization.
30189004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103464 (or 103462 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 30189004 is about 5494.4521109934. The cubic root of 30189004 is about 311.3744176603.
Subtracting 30189004 from its reverse (40098103), we obtain a palindrome (9909099).
The spelling of 30189004 in words is "thirty million, one hundred eighty-nine thousand, four".
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