Base | Representation |
---|---|
bin | 111001111001… |
… | …0111001010110 |
3 | 2010010012021101 |
4 | 1303302321112 |
5 | 30232330110 |
6 | 3002340314 |
7 | 516004426 |
oct | 163627126 |
9 | 63105241 |
10 | 30355030 |
11 | 16153202 |
12 | a1ba69a |
13 | 639a774 |
14 | 4062486 |
15 | 29e913a |
hex | 1cf2e56 |
30355030 has 16 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 11427712.
The previous prime is 30355021. The next prime is 30355037. The reversal of 30355030 is 3055303.
It is a junction number, because it is equal to n+sod(n) for n = 30354989 and 30355007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30355037) 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, 89110 + ... + 89449.
It is an arithmetic number, because the mean of its divisors is an integer number (3615840).
Almost surely, 230355030 is an apocalyptic number.
30355030 is a deficient number, since it is larger than the sum of its proper divisors (27498410).
30355030 is a wasteful number, since it uses less digits than its factorization.
30355030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178583.
The product of its (nonzero) digits is 675, while the sum is 19.
The square root of 30355030 is about 5509.5399081956. The cubic root of 30355030 is about 311.9441810618.
The spelling of 30355030 in words is "thirty million, three hundred fifty-five thousand, thirty".
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