Base | Representation |
---|---|
bin | 111001101100… |
… | …1100101011000 |
3 | 2002220221001110 |
4 | 1303121211120 |
5 | 30221020402 |
6 | 3000220320 |
7 | 515063235 |
oct | 163314530 |
9 | 62827043 |
10 | 30251352 |
11 | 1609231a |
12 | a16a6a0 |
13 | 6362511 |
14 | 403678c |
15 | 29c856c |
hex | 1cd9958 |
30251352 has 16 divisors (see below), whose sum is σ = 75628440. Its totient is φ = 10083776.
The previous prime is 30251339. The next prime is 30251359. The reversal of 30251352 is 25315203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30251359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630213 + ... + 630260.
Almost surely, 230251352 is an apocalyptic number.
It is an amenable number.
30251352 is an abundant number, since it is smaller than the sum of its proper divisors (45377088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30251352 is a wasteful number, since it uses less digits than its factorization.
30251352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1260482 (or 1260478 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 30251352 is about 5500.1229077176. The cubic root of 30251352 is about 311.5886261498.
Adding to 30251352 its reverse (25315203), we get a palindrome (55566555).
It can be divided in two parts, 30251 and 352, that added together give a palindrome (30603).
The spelling of 30251352 in words is "thirty million, two hundred fifty-one thousand, three hundred fifty-two".
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