Base | Representation |
---|---|
bin | 111010100001… |
… | …1010010010110 |
3 | 2010201220221221 |
4 | 1311003102112 |
5 | 30323344220 |
6 | 3013400554 |
7 | 521545426 |
oct | 165032226 |
9 | 63656857 |
10 | 30684310 |
11 | 16358638 |
12 | a33915a |
13 | 64845c7 |
14 | 410a486 |
15 | 2a619aa |
hex | 1d43496 |
30684310 has 8 divisors (see below), whose sum is σ = 55231776. Its totient is φ = 12273720.
The previous prime is 30684293. The next prime is 30684317. The reversal of 30684310 is 1348603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×306843102 = 1883053760352200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30684317) 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, 1534206 + ... + 1534225.
It is an arithmetic number, because the mean of its divisors is an integer number (6903972).
Almost surely, 230684310 is an apocalyptic number.
30684310 is a deficient number, since it is larger than the sum of its proper divisors (24547466).
30684310 is a wasteful number, since it uses less digits than its factorization.
30684310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3068438.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 30684310 is about 5539.3420186878. The cubic root of 30684310 is about 313.0680781600.
The spelling of 30684310 in words is "thirty million, six hundred eighty-four thousand, three hundred ten".
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