Base | Representation |
---|---|
bin | 111001101101… |
… | …0011000100000 |
3 | 2002221002112122 |
4 | 1303122120200 |
5 | 30221121444 |
6 | 3000243412 |
7 | 515105621 |
oct | 163323040 |
9 | 62832478 |
10 | 30254624 |
11 | 16094824 |
12 | a170568 |
13 | 6363b5a |
14 | 4037a48 |
15 | 29c94ee |
hex | 1cda620 |
30254624 has 12 divisors (see below), whose sum is σ = 59563854. Its totient is φ = 15127296.
The previous prime is 30254621. The next prime is 30254647. The reversal of 30254624 is 42645203.
It can be written as a sum of positive squares in only one way, i.e., 30250000 + 4624 = 5500^2 + 68^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30254593 and 30254602.
It is not an unprimeable number, because it can be changed into a prime (30254621) by changing a digit.
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 as a sum of consecutive naturals, namely, 472697 + ... + 472760.
Almost surely, 230254624 is an apocalyptic number.
It is an amenable number.
30254624 is a deficient number, since it is larger than the sum of its proper divisors (29309230).
30254624 is an equidigital number, since it uses as much as digits as its factorization.
30254624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945467 (or 945459 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 30254624 is about 5500.4203475734. The cubic root of 30254624 is about 311.5998596007.
Adding to 30254624 its reverse (42645203), we get a palindrome (72899827).
It can be divided in two parts, 3025 and 4624, that multiplied together give a square (13987600 = 37402).
The spelling of 30254624 in words is "thirty million, two hundred fifty-four thousand, six hundred twenty-four".
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