Base | Representation |
---|---|
bin | 111010010011… |
… | …0111100100000 |
3 | 2010112000201110 |
4 | 1310212330200 |
5 | 30311140344 |
6 | 3011103320 |
7 | 520553121 |
oct | 164467440 |
9 | 63460643 |
10 | 30568224 |
11 | 162893a5 |
12 | a2a1b40 |
13 | 644380b |
14 | 40ba048 |
15 | 2a3c3b9 |
hex | 1d26f20 |
30568224 has 24 divisors (see below), whose sum is σ = 80241840. Its totient is φ = 10189376.
The previous prime is 30568211. The next prime is 30568229. The reversal of 30568224 is 42286503.
It is a tau number, because it is divible by the number of its divisors (24).
It is a junction number, because it is equal to n+sod(n) for n = 30568191 and 30568200.
It is not an unprimeable number, because it can be changed into a prime (30568229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159114 + ... + 159305.
It is an arithmetic number, because the mean of its divisors is an integer number (3343410).
Almost surely, 230568224 is an apocalyptic number.
It is an amenable number.
30568224 is an abundant number, since it is smaller than the sum of its proper divisors (49673616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30568224 is a wasteful number, since it uses less digits than its factorization.
30568224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318432 (or 318424 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 30568224 is about 5528.8537690917. The cubic root of 30568224 is about 312.6727757111.
The spelling of 30568224 in words is "thirty million, five hundred sixty-eight thousand, two hundred twenty-four".
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