Base | Representation |
---|---|
bin | 111001110110… |
… | …0110101101011 |
3 | 2010001221020110 |
4 | 1303230311223 |
5 | 30231031334 |
6 | 3002025403 |
7 | 515542203 |
oct | 163546553 |
9 | 63057213 |
10 | 30330219 |
11 | 161365a7 |
12 | a1a8263 |
13 | 638c39a |
14 | 4057403 |
15 | 29e1ae9 |
hex | 1cecd6b |
30330219 has 8 divisors (see below), whose sum is σ = 40493520. Its totient is φ = 20193536.
The previous prime is 30330211. The next prime is 30330239. The reversal of 30330219 is 91203303.
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 30330219 - 23 = 30330211 is a prime.
It is a super-2 number, since 2×303302192 = 1839844369175922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30330195 and 30330204.
It is not an unprimeable number, because it can be changed into a prime (30330211) 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, 3822 + ... + 8675.
It is an arithmetic number, because the mean of its divisors is an integer number (5061690).
Almost surely, 230330219 is an apocalyptic number.
30330219 is a deficient number, since it is larger than the sum of its proper divisors (10163301).
30330219 is a wasteful number, since it uses less digits than its factorization.
30330219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13309.
The product of its (nonzero) digits is 486, while the sum is 21.
The square root of 30330219 is about 5507.2878079868. The cubic root of 30330219 is about 311.8591676200.
The spelling of 30330219 in words is "thirty million, three hundred thirty thousand, two hundred nineteen".
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