Base | Representation |
---|---|
bin | 111010001101… |
… | …0000001111100 |
3 | 2010102100011012 |
4 | 1310122001330 |
5 | 30302442244 |
6 | 3010014352 |
7 | 520242650 |
oct | 164320174 |
9 | 63370135 |
10 | 30515324 |
11 | 16252684 |
12 | a2773b8 |
13 | 6425708 |
14 | 40a4a60 |
15 | 2a2b89e |
hex | 1d1a07c |
30515324 has 24 divisors (see below), whose sum is σ = 61262208. Its totient is φ = 13028400.
The previous prime is 30515321. The next prime is 30515363. The reversal of 30515324 is 42351503.
It is a self number, because there is not a number n which added to its sum of digits gives 30515324.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30515321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5999 + ... + 9849.
It is an arithmetic number, because the mean of its divisors is an integer number (2552592).
Almost surely, 230515324 is an apocalyptic number.
It is an amenable number.
30515324 is an abundant number, since it is smaller than the sum of its proper divisors (30746884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30515324 is a wasteful number, since it uses less digits than its factorization.
30515324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 30515324 is about 5524.0677041470. The cubic root of 30515324 is about 312.4923057306.
Adding to 30515324 its reverse (42351503), we get a palindrome (72866827).
The spelling of 30515324 in words is "thirty million, five hundred fifteen thousand, three hundred twenty-four".
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