Base | Representation |
---|---|
bin | 111001111001… |
… | …0111100101010 |
3 | 2010010012120020 |
4 | 1303302330222 |
5 | 30232331432 |
6 | 3002341310 |
7 | 516005151 |
oct | 163627452 |
9 | 63105506 |
10 | 30355242 |
11 | 16153385 |
12 | a1ba836 |
13 | 639a8a8 |
14 | 4062598 |
15 | 29e922c |
hex | 1cf2f2a |
30355242 has 8 divisors (see below), whose sum is σ = 60710496. Its totient is φ = 10118412.
The previous prime is 30355223. The next prime is 30355249. The reversal of 30355242 is 24255303.
It is a sphenic number, since it is the product of 3 distinct primes.
30355242 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30355249) 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, 2529598 + ... + 2529609.
It is an arithmetic number, because the mean of its divisors is an integer number (7588812).
Almost surely, 230355242 is an apocalyptic number.
30355242 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.
30355242 is a wasteful number, since it uses less digits than its factorization.
30355242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5059212.
The product of its (nonzero) digits is 3600, while the sum is 24.
The square root of 30355242 is about 5509.5591475181. The cubic root of 30355242 is about 311.9449072677.
The spelling of 30355242 in words is "thirty million, three hundred fifty-five thousand, two hundred forty-two".
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