Base | Representation |
---|---|
bin | 111001101010… |
… | …0101100100100 |
3 | 2002212220120222 |
4 | 1303110230210 |
5 | 30214400312 |
6 | 2555543512 |
7 | 514650665 |
oct | 163245444 |
9 | 62786528 |
10 | 30231332 |
11 | 1607927a |
12 | a15ab98 |
13 | 6356381 |
14 | 402d36c |
15 | 29c2672 |
hex | 1cd4b24 |
30231332 has 6 divisors (see below), whose sum is σ = 52904838. Its totient is φ = 15115664.
The previous prime is 30231323. The next prime is 30231343. The reversal of 30231332 is 23313203.
It can be written as a sum of positive squares in only one way, i.e., 25240576 + 4990756 = 5024^2 + 2234^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30231332.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3778913 + ... + 3778920.
It is an arithmetic number, because the mean of its divisors is an integer number (8817473).
Almost surely, 230231332 is an apocalyptic number.
It is an amenable number.
30231332 is a deficient number, since it is larger than the sum of its proper divisors (22673506).
30231332 is a wasteful number, since it uses less digits than its factorization.
30231332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7557837 (or 7557835 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 30231332 is about 5498.3026471812. The cubic root of 30231332 is about 311.5198757143.
Adding to 30231332 its reverse (23313203), we get a palindrome (53544535).
The spelling of 30231332 in words is "thirty million, two hundred thirty-one thousand, three hundred thirty-two".
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