Base | Representation |
---|---|
bin | 111001010000… |
… | …0010111111001 |
3 | 2002111000121101 |
4 | 1302200113321 |
5 | 30141021032 |
6 | 2551211401 |
7 | 513066112 |
oct | 162402771 |
9 | 62430541 |
10 | 30017017 |
11 | 15a42258 |
12 | a076b61 |
13 | 62ac964 |
14 | 3db5209 |
15 | 297dde7 |
hex | 1ca05f9 |
30017017 has 8 divisors (see below), whose sum is σ = 32133600. Its totient is φ = 27954144.
The previous prime is 30017011. The next prime is 30017023. The reversal of 30017017 is 71071003.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30017011) and next prime (30017023).
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 30017017 - 211 = 30014969 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30016985 and 30017003.
It is not an unprimeable number, because it can be changed into a prime (30017011) 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 in 7 ways as a sum of consecutive naturals, for example, 12268 + ... + 14509.
It is an arithmetic number, because the mean of its divisors is an integer number (4016700).
Almost surely, 230017017 is an apocalyptic number.
It is an amenable number.
30017017 is a deficient number, since it is larger than the sum of its proper divisors (2116583).
30017017 is a wasteful number, since it uses less digits than its factorization.
30017017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26855.
The product of its (nonzero) digits is 147, while the sum is 19.
The square root of 30017017 is about 5478.7787872846. The cubic root of 30017017 is about 310.7819903521.
The spelling of 30017017 in words is "thirty million, seventeen thousand, seventeen".
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