Base | Representation |
---|---|
bin | 111001011101… |
… | …0001101100100 |
3 | 2002200101210012 |
4 | 1302322031210 |
5 | 30202412402 |
6 | 2553345352 |
7 | 514016504 |
oct | 162721544 |
9 | 62611705 |
10 | 30122852 |
11 | 16004821 |
12 | a108258 |
13 | 6318b96 |
14 | 4001a04 |
15 | 29a0452 |
hex | 1cba364 |
30122852 has 6 divisors (see below), whose sum is σ = 52714998. Its totient is φ = 15061424.
The previous prime is 30122819. The next prime is 30122867. The reversal of 30122852 is 25822103.
It can be written as a sum of positive squares in only one way, i.e., 17774656 + 12348196 = 4216^2 + 3514^2 .
It is a super-2 number, since 2×301228522 = 1814772425227808, which contains 22 as substring.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3765353 + ... + 3765360.
It is an arithmetic number, because the mean of its divisors is an integer number (8785833).
Almost surely, 230122852 is an apocalyptic number.
It is an amenable number.
30122852 is a deficient number, since it is larger than the sum of its proper divisors (22592146).
30122852 is a wasteful number, since it uses less digits than its factorization.
30122852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7530717 (or 7530715 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 30122852 is about 5488.4289190988. The cubic root of 30122852 is about 311.1468170848.
Adding to 30122852 its reverse (25822103), we get a palindrome (55944955).
The spelling of 30122852 in words is "thirty million, one hundred twenty-two thousand, eight hundred fifty-two".
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