Base | Representation |
---|---|
bin | 111001011000… |
… | …0010010111110 |
3 | 2002121100001222 |
4 | 1302300102332 |
5 | 30200112423 |
6 | 2552433342 |
7 | 513460214 |
oct | 162602276 |
9 | 62540058 |
10 | 30082238 |
11 | 15a8725a |
12 | a0a8852 |
13 | 6303554 |
14 | 3dd0cb4 |
15 | 29933c8 |
hex | 1cb04be |
30082238 has 4 divisors (see below), whose sum is σ = 45123360. Its totient is φ = 15041118.
The previous prime is 30082237. The next prime is 30082243. The reversal of 30082238 is 83228003.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30082237) 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, 7520558 + ... + 7520561.
It is an arithmetic number, because the mean of its divisors is an integer number (11280840).
Almost surely, 230082238 is an apocalyptic number.
30082238 is a deficient number, since it is larger than the sum of its proper divisors (15041122).
30082238 is a wasteful number, since it uses less digits than its factorization.
30082238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15041121.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 30082238 is about 5484.7277051828. The cubic root of 30082238 is about 311.0069166481.
The spelling of 30082238 in words is "thirty million, eighty-two thousand, two hundred thirty-eight".
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