Base | Representation |
---|---|
bin | 111010110010… |
… | …0111010110111 |
3 | 2010222220221012 |
4 | 1311210322313 |
5 | 30342301241 |
6 | 3020342435 |
7 | 522661160 |
oct | 165447267 |
9 | 63886835 |
10 | 30822071 |
11 | 16442095 |
12 | a3a4a1b |
13 | 6502217 |
14 | 4144767 |
15 | 2a8c6eb |
hex | 1d64eb7 |
30822071 has 8 divisors (see below), whose sum is σ = 37297440. Its totient is φ = 24864768.
The previous prime is 30822061. The next prime is 30822079. The reversal of 30822071 is 17022803.
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 30822071 - 26 = 30822007 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 (30822079) 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, 129386 + ... + 129623.
It is an arithmetic number, because the mean of its divisors is an integer number (4662180).
Almost surely, 230822071 is an apocalyptic number.
30822071 is a deficient number, since it is larger than the sum of its proper divisors (6475369).
30822071 is a wasteful number, since it uses less digits than its factorization.
30822071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259033.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 30822071 is about 5551.7628731782. The cubic root of 30822071 is about 313.5358980147.
Adding to 30822071 its reverse (17022803), we get a palindrome (47844874).
The spelling of 30822071 in words is "thirty million, eight hundred twenty-two thousand, seventy-one".
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