Base | Representation |
---|---|
bin | 111010110001… |
… | …1000010110010 |
3 | 2010222112101120 |
4 | 1311203002302 |
5 | 30342030021 |
6 | 3020243110 |
7 | 522626601 |
oct | 165430262 |
9 | 63875346 |
10 | 30814386 |
11 | 16437339 |
12 | a3a0496 |
13 | 64cb885 |
14 | 4141a38 |
15 | 2a8a2c6 |
hex | 1d630b2 |
30814386 has 8 divisors (see below), whose sum is σ = 61628784. Its totient is φ = 10271460.
The previous prime is 30814367. The next prime is 30814397. The reversal of 30814386 is 68341803.
It is a sphenic number, since it is the product of 3 distinct primes.
30814386 is an admirable number.
It is a super-3 number, since 3×308143863 (a number of 23 digits) contains 333 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567860 + ... + 2567871.
It is an arithmetic number, because the mean of its divisors is an integer number (7703598).
Almost surely, 230814386 is an apocalyptic number.
30814386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30814386 is a wasteful number, since it uses less digits than its factorization.
30814386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5135736.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 30814386 is about 5551.0707075302. The cubic root of 30814386 is about 313.5098374290.
The spelling of 30814386 in words is "thirty million, eight hundred fourteen thousand, three hundred eighty-six".
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