Base | Representation |
---|---|
bin | 111001110001… |
… | …1100010100101 |
3 | 2002222222222212 |
4 | 1303203202211 |
5 | 30223322013 |
6 | 3001133205 |
7 | 515323154 |
oct | 163434245 |
9 | 62888885 |
10 | 30292133 |
11 | 1610aa23 |
12 | a18a205 |
13 | 6377c51 |
14 | 404759b |
15 | 29d56a8 |
hex | 1ce38a5 |
30292133 has 2 divisors, whose sum is σ = 30292134. Its totient is φ = 30292132.
The previous prime is 30292123. The next prime is 30292139. The reversal of 30292133 is 33129203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19651489 + 10640644 = 4433^2 + 3262^2 .
It is a cyclic number.
It is not a de Polignac number, because 30292133 - 26 = 30292069 is a prime.
It is a super-2 number, since 2×302921332 = 1835226643379378, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30292099 and 30292108.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30292139) 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 as a sum of consecutive naturals, namely, 15146066 + 15146067.
It is an arithmetic number, because the mean of its divisors is an integer number (15146067).
Almost surely, 230292133 is an apocalyptic number.
It is an amenable number.
30292133 is a deficient number, since it is larger than the sum of its proper divisors (1).
30292133 is an equidigital number, since it uses as much as digits as its factorization.
30292133 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 30292133 is about 5503.8289399290. The cubic root of 30292133 is about 311.7285779124.
The spelling of 30292133 in words is "thirty million, two hundred ninety-two thousand, one hundred thirty-three".
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