Base | Representation |
---|---|
bin | 111001010110… |
… | …0111000011110 |
3 | 2002120121220001 |
4 | 1302230320132 |
5 | 30144141004 |
6 | 2552244514 |
7 | 513401356 |
oct | 162547036 |
9 | 62517801 |
10 | 30068254 |
11 | 15a777a7 |
12 | a0a073a |
13 | 62ca088 |
14 | 3dc9b66 |
15 | 298e1a4 |
hex | 1cace1e |
30068254 has 8 divisors (see below), whose sum is σ = 45567648. Its totient is φ = 14879040.
The previous prime is 30068251. The next prime is 30068281. The reversal of 30068254 is 45286003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30068251) 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, 77302 + ... + 77689.
It is an arithmetic number, because the mean of its divisors is an integer number (5695956).
Almost surely, 230068254 is an apocalyptic number.
30068254 is a deficient number, since it is larger than the sum of its proper divisors (15499394).
30068254 is a wasteful number, since it uses less digits than its factorization.
30068254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155090.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 30068254 is about 5483.4527443938. The cubic root of 30068254 is about 310.9587177208.
The spelling of 30068254 in words is "thirty million, sixty-eight thousand, two hundred fifty-four".
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