Base | Representation |
---|---|
bin | 111001011000… |
… | …1000001011110 |
3 | 2002121111011012 |
4 | 1302301001132 |
5 | 30200211324 |
6 | 2552455222 |
7 | 513501665 |
oct | 162610136 |
9 | 62544135 |
10 | 30085214 |
11 | 15a89515 |
12 | a0aa512 |
13 | 6304a03 |
14 | 3dd1ddc |
15 | 299420e |
hex | 1cb105e |
30085214 has 8 divisors (see below), whose sum is σ = 45151128. Its totient is φ = 15034840.
The previous prime is 30085213. The next prime is 30085301. The reversal of 30085214 is 41258003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×300852143 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30085214.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30085213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5309 + ... + 9399.
It is an arithmetic number, because the mean of its divisors is an integer number (5643891).
Almost surely, 230085214 is an apocalyptic number.
30085214 is a deficient number, since it is larger than the sum of its proper divisors (15065914).
30085214 is a wasteful number, since it uses less digits than its factorization.
30085214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7770.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 30085214 is about 5484.9989972652. The cubic root of 30085214 is about 311.0171721580.
The spelling of 30085214 in words is "thirty million, eighty-five thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •