Base | Representation |
---|---|
bin | 111010000000… |
… | …0111000010111 |
3 | 2010020002211220 |
4 | 1310000320113 |
5 | 30241143221 |
6 | 3003501423 |
7 | 516333426 |
oct | 164007027 |
9 | 63202756 |
10 | 30412311 |
11 | 16192246 |
12 | a227873 |
13 | 63ba867 |
14 | 40792bd |
15 | 2a0b0c6 |
hex | 1d00e17 |
30412311 has 8 divisors (see below), whose sum is σ = 41105520. Its totient is φ = 19996992.
The previous prime is 30412273. The next prime is 30412321. The reversal of 30412311 is 11321403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30412311 - 26 = 30412247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30412321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69216 + ... + 69653.
It is an arithmetic number, because the mean of its divisors is an integer number (5138190).
Almost surely, 230412311 is an apocalyptic number.
30412311 is a deficient number, since it is larger than the sum of its proper divisors (10693209).
30412311 is a wasteful number, since it uses less digits than its factorization.
30412311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138945.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 30412311 is about 5514.7358050953. The cubic root of 30412311 is about 312.1402742839.
Adding to 30412311 its reverse (11321403), we get a palindrome (41733714).
The spelling of 30412311 in words is "thirty million, four hundred twelve thousand, three hundred eleven".
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