Base | Representation |
---|---|
bin | 111001011101… |
… | …0100110110001 |
3 | 2002200110222221 |
4 | 1302322212301 |
5 | 30202440330 |
6 | 2553401041 |
7 | 514024300 |
oct | 162724661 |
9 | 62613887 |
10 | 30124465 |
11 | 16005a58 |
12 | a109181 |
13 | 6319837 |
14 | 4002437 |
15 | 29a0b7a |
hex | 1cba9b1 |
30124465 has 12 divisors (see below), whose sum is σ = 42051636. Its totient is φ = 20656608.
The previous prime is 30124433. The next prime is 30124477. The reversal of 30124465 is 56442103.
It can be written as a sum of positive squares in 2 ways, for example, as 21603904 + 8520561 = 4648^2 + 2919^2 .
It is not a de Polignac number, because 30124465 - 25 = 30124433 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61234 + ... + 61723.
It is an arithmetic number, because the mean of its divisors is an integer number (3504303).
Almost surely, 230124465 is an apocalyptic number.
30124465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30124465 is a deficient number, since it is larger than the sum of its proper divisors (11927171).
30124465 is a wasteful number, since it uses less digits than its factorization.
30124465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122976 (or 122969 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 30124465 is about 5488.5758626442. The cubic root of 30124465 is about 311.1523706853.
Adding to 30124465 its reverse (56442103), we get a palindrome (86566568).
The spelling of 30124465 in words is "thirty million, one hundred twenty-four thousand, four hundred sixty-five".
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