Base | Representation |
---|---|
bin | 111001010001… |
… | …0000101011100 |
3 | 2002111101020001 |
4 | 1302202011130 |
5 | 30141232103 |
6 | 2551304044 |
7 | 513125416 |
oct | 162420534 |
9 | 62441201 |
10 | 30024028 |
11 | 15a47551 |
12 | a07b024 |
13 | 62b2bc8 |
14 | 3db79b6 |
15 | 298101d |
hex | 1ca215c |
30024028 has 24 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 14136048.
The previous prime is 30024011. The next prime is 30024083. The reversal of 30024028 is 82042003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 30023996 and 30024014.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12501 + ... + 14707.
It is an arithmetic number, because the mean of its divisors is an integer number (2318400).
Almost surely, 230024028 is an apocalyptic number.
30024028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
30024028 is a deficient number, since it is larger than the sum of its proper divisors (25617572).
30024028 is a wasteful number, since it uses less digits than its factorization.
30024028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 30024028 is about 5479.4185822950. The cubic root of 30024028 is about 310.8061846607.
The spelling of 30024028 in words is "thirty million, twenty-four thousand, twenty-eight".
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