Base | Representation |
---|---|
bin | 111001011111… |
… | …1100100111000 |
3 | 2002201111220222 |
4 | 1302333210320 |
5 | 30204113244 |
6 | 2554035212 |
7 | 514140533 |
oct | 162774470 |
9 | 62644828 |
10 | 30144824 |
11 | 1601a286 |
12 | a118b08 |
13 | 6325b98 |
14 | 4009a1a |
15 | 29a6bee |
hex | 1cbf938 |
30144824 has 16 divisors (see below), whose sum is σ = 56581200. Its totient is φ = 15056512.
The previous prime is 30144823. The next prime is 30144827. The reversal of 30144824 is 42844103.
It is a junction number, because it is equal to n+sod(n) for n = 30144793 and 30144802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30144823) 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, 11264 + ... + 13680.
It is an arithmetic number, because the mean of its divisors is an integer number (3536325).
Almost surely, 230144824 is an apocalyptic number.
It is an amenable number.
30144824 is a deficient number, since it is larger than the sum of its proper divisors (26436376).
30144824 is a wasteful number, since it uses less digits than its factorization.
30144824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3982 (or 3978 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
The square root of 30144824 is about 5490.4302199372. The cubic root of 30144824 is about 311.2224502102. Note that the first 3 decimals are identical.
Adding to 30144824 its reverse (42844103), we get a palindrome (72988927).
The spelling of 30144824 in words is "thirty million, one hundred forty-four thousand, eight hundred twenty-four".
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