Base | Representation |
---|---|
bin | 111010001100… |
… | …1010011000100 |
3 | 2010102012001002 |
4 | 1310121103010 |
5 | 30302343244 |
6 | 3005552432 |
7 | 520231133 |
oct | 164312304 |
9 | 63365032 |
10 | 30512324 |
11 | 162503a7 |
12 | a275718 |
13 | 642423b |
14 | 40a391a |
15 | 2a2aa4e |
hex | 1d194c4 |
30512324 has 6 divisors (see below), whose sum is σ = 53396574. Its totient is φ = 15256160.
The previous prime is 30512311. The next prime is 30512333. The reversal of 30512324 is 42321503.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 17909824 + 12602500 = 4232^2 + 3550^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30512296 and 30512305.
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 as a sum of consecutive naturals, namely, 3814037 + ... + 3814044.
It is an arithmetic number, because the mean of its divisors is an integer number (8899429).
Almost surely, 230512324 is an apocalyptic number.
It is an amenable number.
30512324 is a deficient number, since it is larger than the sum of its proper divisors (22884250).
30512324 is a wasteful number, since it uses less digits than its factorization.
30512324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7628085 (or 7628083 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 30512324 is about 5523.7961584403. The cubic root of 30512324 is about 312.4820648907.
Adding to 30512324 its reverse (42321503), we get a palindrome (72833827).
The spelling of 30512324 in words is "thirty million, five hundred twelve thousand, three hundred twenty-four".
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