Base | Representation |
---|---|
bin | 111001110111… |
… | …0111001101000 |
3 | 2010002100211020 |
4 | 1303232321220 |
5 | 30231314124 |
6 | 3002132440 |
7 | 515605626 |
oct | 163567150 |
9 | 63070736 |
10 | 30338664 |
11 | 16141984 |
12 | a1b1120 |
13 | 6393195 |
14 | 405a516 |
15 | 29e4379 |
hex | 1ceee68 |
30338664 has 32 divisors (see below), whose sum is σ = 76295520. Its totient is φ = 10053056.
The previous prime is 30338663. The next prime is 30338681. The reversal of 30338664 is 46683303.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30338663) 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, 499 + ... + 7805.
It is an arithmetic number, because the mean of its divisors is an integer number (2384235).
Almost surely, 230338664 is an apocalyptic number.
It is an amenable number.
30338664 is an abundant number, since it is smaller than the sum of its proper divisors (45956856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30338664 is a wasteful number, since it uses less digits than its factorization.
30338664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7489 (or 7485 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 33.
The square root of 30338664 is about 5508.0544659616. The cubic root of 30338664 is about 311.8881091219. Note that the first 3 decimals are identical.
The spelling of 30338664 in words is "thirty million, three hundred thirty-eight thousand, six hundred sixty-four".
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