Base | Representation |
---|---|
bin | 111001101101… |
… | …0010010011101 |
3 | 2002221002000022 |
4 | 1303122102131 |
5 | 30221113422 |
6 | 3000241525 |
7 | 515104526 |
oct | 163322235 |
9 | 62832008 |
10 | 30254237 |
11 | 16094502 |
12 | a1702a5 |
13 | 6363920 |
14 | 403784d |
15 | 29c9342 |
hex | 1cda49d |
30254237 has 8 divisors (see below), whose sum is σ = 34498296. Its totient is φ = 26284032.
The previous prime is 30254227. The next prime is 30254243. The reversal of 30254237 is 73245203.
It can be written as a sum of positive squares in 4 ways, for example, as 1406596 + 28847641 = 1186^2 + 5371^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30254237 - 210 = 30253213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30254207) 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, 68228 + ... + 68669.
It is an arithmetic number, because the mean of its divisors is an integer number (4312287).
Almost surely, 230254237 is an apocalyptic number.
It is an amenable number.
30254237 is a deficient number, since it is larger than the sum of its proper divisors (4244059).
30254237 is a wasteful number, since it uses less digits than its factorization.
30254237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136927.
The product of its (nonzero) digits is 5040, while the sum is 26.
The square root of 30254237 is about 5500.3851683314. The cubic root of 30254237 is about 311.5985309921.
The spelling of 30254237 in words is "thirty million, two hundred fifty-four thousand, two hundred thirty-seven".
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