Base | Representation |
---|---|
bin | 111010100001… |
… | …1001011101100 |
3 | 2010201220101011 |
4 | 1311003023230 |
5 | 30323341014 |
6 | 3013355004 |
7 | 521544250 |
oct | 165031354 |
9 | 63656334 |
10 | 30683884 |
11 | 16358290 |
12 | a338a64 |
13 | 648435a |
14 | 410a260 |
15 | 2a617c4 |
hex | 1d432ec |
30683884 has 24 divisors (see below), whose sum is σ = 66947328. Its totient is φ = 11954640.
The previous prime is 30683843. The next prime is 30683899. The reversal of 30683884 is 48838603.
It is a happy number.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49504 + ... + 50119.
It is an arithmetic number, because the mean of its divisors is an integer number (2789472).
Almost surely, 230683884 is an apocalyptic number.
It is an amenable number.
30683884 is an abundant number, since it is smaller than the sum of its proper divisors (36263444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30683884 is a wasteful number, since it uses less digits than its factorization.
30683884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99645 (or 99643 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 40.
The square root of 30683884 is about 5539.3035663339. The cubic root of 30683884 is about 313.0666293455.
The spelling of 30683884 in words is "thirty million, six hundred eighty-three thousand, eight hundred eighty-four".
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